MCQ Practice Paper
Q1. The underground part of the flowering plant is called:
Explanation:
The underground part of a flowering plant is the root system.[file:45]
Q2. The ascending part of the axis bearing branches, leaves, flowers and fruits is called:
Explanation:
The stem is the ascending part of the axis bearing branches, leaves, flowers, and fruits.[file:45]
Q3. The region of the stem where leaves are born is called:
Explanation:
The region where leaves are born on the stem is called a node.[file:45]
Q4. The portion between two nodes is called:
Explanation:
The portion between two nodes is called an internode.[file:45]
Q5. The lateral, generally flattened structure borne on the stem is called:
Explanation:
The leaf is a lateral, generally flattened structure borne on the stem.[file:45]
Q6. The green expanded part of the leaf with veins and veinlets is called:
Explanation:
The lamina is the green expanded part of the leaf with veins and veinlets.[file:45]
Q7. The arrangement of veins and veinlets in the lamina is called:
Explanation:
The arrangement of veins and veinlets in the lamina is called venation.[file:45]
Q8. When the veinlets form a network, the venation is called:
Explanation:
When veinlets form a network, the venation is reticulate.[file:45]
Q9. When the veins run parallel to each other, the venation is called:
Explanation:
When veins run parallel, the venation is parallel.[file:45]
Q10. A leaf is said to be simple when:
Explanation:
A leaf is simple when the lamina is entire or when incisions do not touch the midrib.[file:45]
Q11. A leaf is called compound when:
Explanation:
A leaf is compound when incisions reach up to the midrib, dividing it into leaflets.[file:45]
Q12. The pattern of arrangement of leaves on the stem or branch is called:
Explanation:
The pattern of leaf arrangement is called phyllotaxy.[file:45]
Q13. In alternate phyllotaxy:
Explanation:
In alternate phyllotaxy, a single leaf arises at each node.[file:45]
Q14. In opposite phyllotaxy:
Explanation:
In opposite phyllotaxy, a pair of leaves arise at each node.[file:45]
Q15. In whorled phyllotaxy:
Explanation:
In whorled phyllotaxy, more than two leaves arise at a node.[file:45]
Q16. The arrangement of flowers on the floral axis is called:
Explanation:
The arrangement of flowers on the floral axis is called inflorescence.[file:45]
Q17. In racemose inflorescence:
Explanation:
In racemose inflorescence, the main axis continues to grow.[file:45]
Q18. In cymose inflorescence:
Explanation:
In cymose inflorescence, the main axis terminates in a flower.[file:45]
Q19. A flower is a modified:
Explanation:
A flower is a modified shoot.[file:45]
Q20. The reproductive unit in angiosperms is:
Explanation:
The reproductive unit in angiosperms is the flower.[file:45]
Q21. The four different kinds of whorls in a typical flower are:
Explanation:
The four whorls are calyx, corolla, androecium, and gynoecium.[file:45]
Q22. The outermost whorl of the flower is called:
Explanation:
The outermost whorl is the calyx.[file:45]
Q23. The members of the calyx are called:
Explanation:
The members of the calyx are called sepals.[file:45]
Q24. The whorl composed of petals is called:
Explanation:
The whorl composed of petals is the corolla.[file:45]
Q25. The male reproductive organ in a flower is:
Explanation:
The male reproductive organ is the androecium.[file:45]
Q26. Assertion: The root system is the underground part of the flowering plant.
Reason: It provides anchorage and absorbs water and minerals.
Explanation:
The root system is underground and provides anchorage and absorbs water and minerals.[file:45]
Q27. Assertion: The stem is the ascending part of the axis.
Reason: It bears branches, leaves, flowers and fruits.
Explanation:
The stem is the ascending part of the axis and bears branches, leaves, flowers, and fruits.[file:45]
Q28. Assertion: The leaf is a lateral, flattened structure.
Reason: It is the most important vegetative organ for photosynthesis.
Explanation:
The leaf is lateral and flattened, and it is the most important organ for photosynthesis, but the reason does not explain the assertion.[file:45]
Q29. Assertion: Reticulate venation is found in dicotyledonous plants.
Reason: Parallel venation is found in monocotyledonous plants.
Explanation:
Reticulate venation is in dicots and parallel in monocots, but the reason does not explain the assertion.[file:45]
Q30. Assertion: In alternate phyllotaxy, a single leaf arises at each node.
Reason: In opposite phyllotaxy, a pair of leaves arise at each node.
Explanation:
Both statements are true, but the reason does not explain the assertion.[file:45]
Q31. Assertion: In racemose inflorescence, the main axis continues to grow.
Reason: In cymose inflorescence, the main axis terminates in a flower.
Explanation:
Both statements are true, but the reason does not explain the assertion.[file:45]
Q32. Assertion: The flower is a modified shoot.
Reason: The shoot apical meristem changes to floral meristem.
Explanation:
The flower is a modified shoot because the shoot apical meristem changes to floral meristem.[file:45]
Q33. Assertion: The calyx is the outermost whorl of the flower.
Reason: It protects the flower in the bud stage.
Explanation:
The calyx is the outermost whorl and protects the flower in the bud stage.[file:45]
Q34. Assertion: The corolla is composed of petals.
Reason: Petals are usually brightly coloured to attract insects.
Explanation:
The corolla is composed of petals, which are brightly coloured to attract insects.[file:45]
Q35. Assertion: The androecium is the male reproductive organ.
Reason: It consists of stamens.
Explanation:
The androecium is the male reproductive organ and consists of stamens.[file:45]
Q36. Assertion: The gynoecium is the female reproductive organ.
Reason: It consists of carpels.
Explanation:
The gynoecium is the female reproductive organ and consists of carpels.[file:45]
Q37. Assertion: The ovary matures into a fruit after fertilisation.
Reason: The ovules develop into seeds.
Explanation:
The ovary matures into a fruit and ovules develop into seeds after fertilisation.[file:45]
Q38. Assertion: The seed is made up of a seed coat and an embryo.
Reason: The embryo consists of a radicle, plumule and cotyledons.
Explanation:
The seed is made up of a seed coat and an embryo, which consists of radicle, plumule, and cotyledons.[file:45]
Q39. Assertion: The root cap protects the tender apex of the root.
Reason: It covers the root apex as it moves through the soil.
Explanation:
The root cap protects the tender apex and covers it as the root moves through the soil.[file:45]
Q40. Assertion: The region of meristematic activity is responsible for cell division.
Reason: Cells in this region divide repeatedly.
Explanation:
The region of meristematic activity is responsible for cell division and cells divide repeatedly.[file:45]
Q41. Assertion: The region of elongation is responsible for growth in length.
Reason: Cells in this region undergo rapid elongation and enlargement.
Explanation:
The region of elongation is responsible for growth in length and cells undergo rapid elongation and enlargement.[file:45]
Q42. Assertion: The region of maturation is where cells differentiate and mature.
Reason: Some epidermal cells form root hairs in this region.
Explanation:
The region of maturation is where cells differentiate and mature, and some form root hairs.[file:45]
Q43. Assertion: The pulvinus is a swollen leaf base.
Reason: It is found in some leguminous plants.
Explanation:
The pulvinus is a swollen leaf base found in some leguminous plants.[file:45]
Q44. Assertion: The petiole holds the leaf blade to light.
Reason: Long, flexible petioles allow leaf blades to flutter.
Explanation:
The petiole holds the leaf blade to light and long, flexible petioles allow fluttering.[file:45]
Q45. Assertion: The midrib is the middle prominent vein in the leaf.
Explanation:
The midrib is the middle prominent vein and provides rigidity and transport channels.[file:45]
Q46. Assertion: The axillary bud develops into a branch.
Reason: It is present in the axil of the petiole.
Explanation:
The axillary bud develops into a branch and is present in the axil of the petiole.[file:45]
Q47. Assertion: The fruit is a mature or ripened ovary.
Reason: It develops after fertilisation.
Explanation:
The fruit is a mature or ripened ovary and develops after fertilisation.[file:45]
Q48. Assertion: The seed is formed from the ovule after fertilisation.
Reason: It contains an embryo and seed coat.
Explanation:
The seed is formed from the ovule after fertilisation and contains an embryo and seed coat.[file:45]
Q49. Assertion: The embryo consists of a radicle, plumule and cotyledons.
Reason: The radicle develops into the root and the plumule into the shoot.
Explanation:
The embryo consists of a radicle, plumule, and cotyledons, and the radicle develops into the root and the plumule into the shoot.[file:45]
Q50. Assertion: The pericarp may be dry or fleshy.
Reason: It is the wall of the fruit.
Explanation:
The pericarp may be dry or fleshy and is the wall of the fruit.[file:45]
Q51. Match the following:
A. Root system B. Shoot system C. Leaf D. Flower
1. Underground part 2. Above ground part 3. Photosynthesis 4. Reproduction
Explanation:
Root system: underground; Shoot system: above ground; Leaf: photosynthesis; Flower: reproduction.[file:45]
Q52. Match the following:
A. Node B. Internode C. Apex D. Base
1. Region where leaves are born 2. Portion between two nodes 3. Tip of the stem 4. Bottom of the stem
Explanation:
Node: where leaves are born; Internode: between nodes; Apex: tip; Base: bottom.[file:45]
Q53. Match the following:
A. Lamina B. Petiole C. Leaf base D. Stipule
1. Green expanded part 2. Helps hold blade to light 3. Attaches leaf to stem 4. Lateral small leaf-like structures
Explanation:
Lamina: green expanded part; Petiole: holds blade to light; Leaf base: attaches to stem; Stipule: lateral small leaf-like structures.[file:45]
Q54. Match the following:
A. Reticulate venation B. Parallel venation C. Alternate phyllotaxy D. Opposite phyllotaxy
1. Dicotyledonous plants 2. Monocotyledonous plants 3. Single leaf at each node 4. Pair of leaves at each node
Explanation:
Reticulate venation: dicots; Parallel venation: monocots; Alternate phyllotaxy: single leaf; Opposite phyllotaxy: pair of leaves.[file:45]
Q55. Match the following:
A. Racemose inflorescence B. Cymose inflorescence C. Alternate phyllotaxy D. Opposite phyllotaxy
1. Main axis continues to grow 2. Main axis terminates in a flower 3. Single leaf at each node 4. Pair of leaves at each node
Explanation:
Racemose: axis grows; Cymose: axis terminates; Alternate: single leaf; Opposite: pair of leaves.[file:45]
Q56. Match the following:
A. Calyx B. Corolla C. Androecium D. Gynoecium
1. Sepals 2. Petals 3. Stamens 4. Carpels
Explanation:
Calyx: sepals; Corolla: petals; Androecium: stamens; Gynoecium: carpels.[file:45]
Q57. Match the following:
A. Sepals B. Petals C. Stamens D. Carpels
1. Outermost whorl 2. Brightly coloured 3. Male reproductive organ 4. Female reproductive organ
Explanation:
Sepals: outermost; Petals: brightly coloured; Stamens: male; Carpels: female.[file:45]
Q58. Match the following:
A. Hypogynous B. Perigynous C. Epigynous D. Superior ovary
1. Gynoecium at highest position 2. Gynoecium in centre 3. Margin of thalamus grows up 4. Ovary above other parts
Explanation:
Hypogynous: gynoecium highest; Perigynous: gynoecium centre; Epigynous: thalamus grows up; Superior ovary: above other parts.[file:45]
Q59. Match the following:
A. Superior ovary B. Half inferior ovary C. Inferior ovary D. Placentation
1. Ovary above other parts 2. Ovary at same level 3. Ovary below other parts 4. Arrangement of ovules
Explanation:
Superior ovary: above; Half inferior: at same level; Inferior ovary: below; Placentation: ovule arrangement.[file:45]
Q60. Match the following:
A. Marginal placentation B. Axile placentation C. Parietal placentation D. Basal placentation
1. Ridge along ventral suture 2. Ovules attached to axis 3. Ovules on inner wall 4. Ovule at base
Explanation:
Marginal: ridge; Axile: ovules on axis; Parietal: on inner wall; Basal: at base.[file:45]
Q61. Match the following:
A. Dicotyledonous seed B. Monocotyledonous seed C. Endospermic seed D. Non-endospermic seed
1. Two cotyledons 2. One cotyledon 3. Endosperm present 4. Endosperm absent
Explanation:
Dicot: two cotyledons; Monocot: one; Endospermic: endosperm present; Non-endospermic: absent.[file:45]
Q62. Match the following:
A. Testa B. Tegmen C. Hilum D. Micropyle
1. Outer seed coat 2. Inner seed coat 3. Scar on seed coat 4. Small pore above hilum
Explanation:
Testa: outer; Tegmen: inner; Hilum: scar; Micropyle: pore.[file:45]
Q63. Match the following:
A. Embryo B. Radicle C. Plumule D. Cotyledons
1. Develops into root 2. Develops into shoot 3. Food storage 4. Embryonal axis
Explanation:
Embryo: axis; Radicle: root; Plumule: shoot; Cotyledons: food storage.[file:45]
Q64. Match the following:
A. Aleurone layer B. Scutellum C. Coleoptile D. Coleorhiza
1. Proteinous layer 2. Shield-shaped cotyledon 3. Sheath of plumule 4. Sheath of radicle
Explanation:
Aleurone: proteinous; Scutellum: shield-shaped; Coleoptile: plumule sheath; Coleorhiza: radicle sheath.[file:45]
Q65. Match the following:
A. Fruit B. Seed C. Pericarp D. Ovule
1. Mature ovary 2. Mature ovule 3. Fruit wall 4. Seed origin
Explanation:
Fruit: mature ovary; Seed: mature ovule; Pericarp: fruit wall; Ovule: seed origin.[file:45]
Q66. Match the following:
A. Epicarp B. Mesocarp C. Endocarp D. Drupe
1. Outer fruit layer 2. Middle fruit layer 3. Inner fruit layer 4. One-seeded fruit
Explanation:
Epicarp: outer; Mesocarp: middle; Endocarp: inner; Drupe: one-seeded.[file:45]
Q67. Match the following:
A. Marginal placentation B. Axile placentation C. Parietal placentation D. Basal placentation
1. Pea 2. China rose 3. Mustard 4. Sunflower
Explanation:
Marginal: pea; Axile: china rose; Parietal: mustard; Basal: sunflower.[file:45]
Q68. Match the following:
A. Reticulate venation B. Parallel venation C. Alternate phyllotaxy D. Opposite phyllotaxy
1. Dicotyledonous plants 2. Monocotyledonous plants 3. Single leaf at each node 4. Pair of leaves at each node
Explanation:
Reticulate: dicot; Parallel: monocot; Alternate: single leaf; Opposite: pair of leaves.[file:45]
Q69. Match the following:
A. Racemose inflorescence B. Cymose inflorescence C. Alternate phyllotaxy D. Opposite phyllotaxy
1. Main axis grows 2. Main axis terminates 3. Single leaf at each node 4. Pair of leaves at each node
Explanation:
Racemose: axis grows; Cymose: axis terminates; Alternate: single leaf; Opposite: pair of leaves.[file:45]
Q70. Match the following:
A. Calyx B. Corolla C. Androecium D. Gynoecium
1. Sepals 2. Petals 3. Stamens 4. Carpels
Explanation:
Calyx: sepals; Corolla: petals; Androecium: stamens; Gynoecium: carpels.[file:45]
Q71. Match the following:
A. Sepals B. Petals C. Stamens D. Carpels
1. Outermost whorl 2. Brightly coloured 3. Male reproductive organ 4. Female reproductive organ
Explanation:
Sepals: outermost; Petals: brightly coloured; Stamens: male; Carpels: female.[file:45]
Q72. Match the following:
A. Hypogynous B. Perigynous C. Epigynous D. Superior ovary
1. Gynoecium at highest position 2. Gynoecium in centre 3. Margin of thalamus grows up 4. Ovary above other parts
Explanation:
Hypogynous: gynoecium highest; Perigynous: gynoecium centre; Epigynous: thalamus grows up; Superior ovary: above other parts.[file:45]
Q73. Match the following:
A. Superior ovary B. Half inferior ovary C. Inferior ovary D. Placentation
1. Ovary above other parts 2. Ovary at same level 3. Ovary below other parts 4. Arrangement of ovules
Explanation:
Superior ovary: above; Half inferior: at same level; Inferior ovary: below; Placentation: ovule arrangement.[file:45]
Q74. Match the following:
A. Marginal placentation B. Axile placentation C. Parietal placentation D. Basal placentation
1. Ridge along ventral suture 2. Ovules attached to axis 3. Ovules on inner wall 4. Ovule at base
Explanation:
Marginal: ridge; Axile: ovules on axis; Parietal: on inner wall; Basal: at base.[file:45]
Q75. Match the following:
A. Dicotyledonous seed B. Monocotyledonous seed C. Endospermic seed D. Non-endospermic seed
1. Two cotyledons 2. One cotyledon 3. Endosperm present 4. Endosperm absent
Explanation:
Dicot: two cotyledons; Monocot: one; Endospermic: endosperm present; Non-endospermic: absent.[file:45]
Q76. Regarding root system, which statements are correct?
1. It is the underground part.
2. It provides anchorage.
3. It absorbs water and minerals.
Explanation:
The root system is underground, provides anchorage, and absorbs water and minerals.[file:45]
Q77. Regarding stem, which statements are correct?
1. It is the ascending part.
2. It bears branches, leaves, flowers and fruits.
3. It conducts water, minerals and food.
Explanation:
The stem is ascending, bears branches, leaves, flowers, fruits, and conducts water, minerals, and food.[file:45]
Q78. Regarding leaf, which statements are correct?
1. It is a lateral, flattened structure.
2. It is the most important organ for photosynthesis.
3. It is attached to the stem by the leaf base.
Explanation:
The leaf is lateral, flattened, most important for photosynthesis, and attached by the leaf base.[file:45]
Q79. Regarding venation, which statements are correct?
1. Reticulate venation is found in dicots.
2. Parallel venation is found in monocots.
3. Venation is the arrangement of veins and veinlets.
Explanation:
Reticulate venation is in dicots, parallel in monocots, and venation is the arrangement of veins and veinlets.[file:45]
Q80. Regarding phyllotaxy, which statements are correct?
1. Alternate phyllotaxy has a single leaf at each node.
2. Opposite phyllotaxy has a pair of leaves at each node.
3. Whorled phyllotaxy has more than two leaves at a node.
Explanation:
Alternate: single leaf; Opposite: pair; Whorled: more than two leaves at a node.[file:45]
Q81. Regarding inflorescence, which statements are correct?
1. Racemose inflorescence has a main axis that continues to grow.
2. Cymose inflorescence has a main axis that terminates in a flower.
3. Flowers are borne in acropetal order in racemose.
Explanation:
Racemose: axis grows; Cymose: axis terminates; Flowers in acropetal order in racemose.[file:45]
Q82. Regarding flower, which statements are correct?
1. It is a modified shoot.
2. It is the reproductive unit in angiosperms.
3. It has four whorls: calyx, corolla, androecium, gynoecium.
Explanation:
The flower is a modified shoot, reproductive unit, and has four whorls.[file:45]
Q83. Regarding calyx, which statements are correct?
1. It is the outermost whorl.
2. Its members are sepals.
3. It protects the flower in the bud stage.
Explanation:
Calyx is outermost, made of sepals, and protects the flower in the bud stage.[file:45]
Q84. Regarding corolla, which statements are correct?
1. It is composed of petals.
2. Petals are usually brightly coloured.
3. It attracts insects for pollination.
Explanation:
Corolla is composed of petals, which are brightly coloured and attract insects for pollination.[file:45]
Q85. Regarding androecium, which statements are correct?
1. It is the male reproductive organ.
2. It consists of stamens.
3. Each stamen has a filament and an anther.
Explanation:
Androecium is the male reproductive organ, consists of stamens, and each stamen has a filament and anther.[file:45]
Q86. Regarding gynoecium, which statements are correct?
1. It is the female reproductive organ.
2. It consists of carpels.
3. Each carpel has stigma, style and ovary.
Explanation:
Gynoecium is the female reproductive organ, consists of carpels, and each carpel has stigma, style, and ovary.[file:45]
Q87. Regarding fruit, which statements are correct?
1. It is a mature or ripened ovary.
2. It develops after fertilisation.
3. It consists of pericarp and seeds.
Explanation:
Fruit is a mature or ripened ovary, develops after fertilisation, and consists of pericarp and seeds.[file:45]
Q88. Regarding seed, which statements are correct?
1. It is formed from the ovule after fertilisation.
2. It contains an embryo and seed coat.
3. The embryo has radicle, plumule and cotyledons.
Explanation:
The seed is formed from the ovule after fertilisation, contains an embryo and seed coat, and the embryo has radicle, plumule, and cotyledons.[file:45]
Q89. Regarding embryo, which statements are correct?
1. It consists of radicle, plumule and cotyledons.
2. The radicle develops into the root.
3. The plumule develops into the shoot.
Explanation:
The embryo has radicle, plumule, and cotyledons; radicle develops into root; plumule into shoot.[file:45]
Q90. Regarding pericarp, which statements are correct?
1. It may be dry or fleshy.
2. It is the wall of the fruit.
3. It is differentiated into epicarp, mesocarp and endocarp.
Explanation:
The pericarp may be dry or fleshy, is the wall of the fruit, and is differentiated into epicarp, mesocarp, and endocarp.[file:45]
Q91. Regarding placentation, which statements are correct?
1. Marginal placentation is found in pea.
2. Axile placentation is found in china rose.
3. Parietal placentation is found in mustard.
Explanation:
Marginal: pea; Axile: china rose; Parietal: mustard.[file:45]
Q92. Regarding seed coat, which statements are correct?
1. It has two layers: testa and tegmen.
2. The hilum is a scar on the seed coat.
3. The micropyle is a small pore above the hilum.
Explanation:
Seed coat: testa and tegmen; hilum: scar; micropyle: pore above hilum.[file:45]
Q93. Regarding dicotyledonous seed, which statements are correct?
1. It has two cotyledons.
2. It is non-endospermic.
3. The cotyledons are fleshy and full of food.
Explanation:
Dicot seed: two cotyledons, non-endospermic, cotyledons fleshy and full of food.[file:45]
Q94. Regarding monocotyledonous seed, which statements are correct?
1. It has one cotyledon.
2. It is endospermic.
3. The embryo is small and situated in a groove.
Explanation:
Monocot seed: one cotyledon, endospermic, embryo small and in a groove.[file:45]
Q95. Regarding floral formula, which statements are correct?
1. Br stands for bracteate.
2. K stands for calyx.
3. C stands for corolla.
Explanation:
Br: bracteate; K: calyx; C: corolla.[file:45]
Q96. Regarding floral diagram, which statements are correct?
1. It shows the arrangement of floral parts.
2. Calyx is the outermost whorl.
3. Gynoecium is in the centre.
Explanation:
Floral diagram shows arrangement; calyx is outermost; gynoecium is in the centre.[file:45]
Q97. Regarding root cap, which statements are correct?
1. It protects the tender apex.
2. It covers the root apex as it moves through soil.
3. It is found at the root tip.
Explanation:
Root cap protects apex, covers apex, and is found at the tip.[file:45]
Q98. Regarding region of meristematic activity, which statements are correct?
1. It is responsible for cell division.
2. Cells divide repeatedly.
3. It is found above the root cap.
Explanation:
Region of meristematic activity is for cell division, cells divide repeatedly, and is above root cap.[file:45]
Score: 0.0
+2 for correct, −0.5 for wrong