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Home » GAT Subject » Aptitude Test - 116
Hassan
1.The word morphology means _?
A. Study of structure
B. Study of bones
C. Study of change
D. Study of structure
2.Which among the following is incorrect about shoot system?
A. The portion of a plant that grows above the soil is called shoot system
B. Aerial roots are a part of shoot system
C. The shoot system develops from plumule
D. The portion of a plant that grows above the soil is called shoot system
3.Which among the following is incorrect about tap root and fibrous root?
A. Tap root grows deep into the soil
B. Fibrous root grows laterally
C. In fibrous root system, one primary root and more than one secondary root is present
D. Tap root grows deep into the soil
4.Which among the following is incorrect about root system in carrot?
A. In carrot, roots are edible
B. They adopt fibrous root system
C. Turnip and beetroot also adopt the same type of root system
D. In carrot, roots are edible
5.Which among the following is incorrect about adventitious root system?
A. Adventitious roots when buried in soil grows into new roots
B. These roots provide additional anchoring to a plant
C. Adventitious roots are present in Turnip
D. Adventitious roots when buried in soil grows into new roots
6.Which among the following is incorrect about modifications of roots with respect to food storage?
A. Most of the times, tap roots become swollen to store food
B. Radish adopts napiform to store food
C. Napiform is found in turnip and the root is spherical in the top and tapers in the bottom
D. Most of the times, tap roots become swollen to store food
7. Which among the following is incorrect about modifications in adventitious roots for food storage?
A. Tuberous roots are those roots that are swollen and don�t have any specific shape
B. Tuberous roots are found in plants like sweet potato
C. Slender roots with swollen apex are found in Dahlia
D. Tuberous roots are those roots that are swollen and don�t have any specific shape
8.Which among the following is not correct about modifications of roots to facilitate respiration?
A. In some plants that grow in marshy areas, roots are modified to facilitate respiration
B. Pneumatophores are specialized breathing roots that help in respiration of plant that grows in marshy areas
C. Breathing roots are present in mango
D. In some plants that grow in marshy areas, roots are modified to facilitate respiration
9.Which among the following is incorrect about modification in roots for mechanical support?
A. Prop roots are those that originate from aerial branches
B. Prop roots are also called hanging roots
C. Stilt roots are present in beetle
D. Prop roots are those that originate from aerial branches
10.Which among the following statements is incorrect?
A. In trapa, roots help in performing photosynthesis
B. In few aquatic plants, roots are modified into spongy structure help in floating by maintaining buoyancy
C. In parasitic plants, haustorial roots penetrate into host to derive nutrition
D. In trapa, roots help in performing photosynthesis
11.Which among the following is incorrect about importance of root system?
A. Root system helps in absorption of water and minerals from soil
B. In plants like mangroves, breathing roots called pneumatophores are present
C. Pneumatophores grow vertically upwards and exchange gases through lenticels
D. Root system helps in absorption of water and minerals from soil
12.Which among the following is incorrect about roots in banyan tree?
A. Banyan roots have adventitious roots called prop roots that provide them with additional support
B. Prop roots are also called as climbing roots
C. Prop roots on meeting the soil form secondary and tertiary roots
D. Banyan roots have adventitious roots called prop roots that provide them with additional support
13.Which among the following is incorrect about climbing roots?
A. These roots originate from nodes or internodes
B. They help plant climb on the surface
C. These roots secrete sticky substances that help the plants to stick on the walls
D. These roots originate from nodes or internodes
14.Which among the following is incorrect about different parts of the leaf?
A. Petiole is flexible thin structure that helps in fluttering of leaves in the air
B. Grass is an example of petiolate plants
C. Legumes have a swollen leaf base called Pulvinus
D. Petiole is flexible thin structure that helps in fluttering of leaves in the air
15.Which among the following is incorrect about reticulate and parallel venation?
A. In reticulate venation, veins are arranged haphazardly
B. In parallel venation, veins are arranged in a parallel manner
C. In palmate venation, only one strong mid-rib is present
D. In reticulate venation, veins are arranged haphazardly
16.Which among the following statements is incorrect about leaves?
A. Simple leaves are those leaves that are either entire or incised without touching the mid-rib
B. Compound leaves are those leaves in which incisions reach the mid-rib breaking the lamina into leaflets called as �pinnate�
C. In palmate compound leaves, leaflets are attached at a common point
D. Simple leaves are those leaves that are either entire or incised without touching the mid-rib
17.Which among the following is incorrect about phyllotaxy?
A. The arrangement of leaves in the plant is called phyllotaxy
B. In alternate phyllotaxy, a single leaf is present at each node
C. Opposite phyllotaxy is present in China rose
D. The arrangement of leaves in the plant is called phyllotaxy
18.Spines in cactus are due to _?
A. modifications of leaves
B. modifications of stem
C. modifications of flower
D. modifications of leaves
19.Scale leaves are present in ?
A. Cactus
B. Potato
C. Cucumber
D. Cactus
20.Which among the following is incorrect about racemose and cymose?
A. In racemose inflorescence, the youngest flower remains at the top of floral axis
B. In cymose inflorescence, the floral main axis continues to grow throughout the life
C. In racemose inflorescence, indefinite number of flowers are formed
D. In racemose inflorescence, the youngest flower remains at the top of floral axis
21.Which among the following plays a vital role in pollination of pollen grains?
A. Petals
B. Sepals
C. Pedicel
D. Petals
22.Which among the following is incorrect about Carpel?
A. Basal enclosed part of carpel is called ovary
B. Ovules are attached to cushion like structure called Placenta
C. Stigma is the part of the carpel that receives pollen grain
D. Basal enclosed part of carpel is called ovary
23.Which among the following is incorrect about different types of Placentation?
A. In marginal placentation, placenta develops on the ventral side of an ovary
B. Unlike marginal placentation where ovary is single chambered, in axile placentation ovary is multi-chambered
C. Okra is an example of axial placentation i.e. ovary is multi-chambered and ovules are attached to the central axis
D. In marginal placentation, placenta develops on the ventral side of an ovary
24.Which among the following is not correct about free-central placentation?
A. In basal placentation, ovule is present at base of the ovary
B. In parietal placentation, placenta is swollen at centre and ovules get
C. In apical placentation, ovule is present at apex of the ovary
D. In basal placentation, ovule is present at base of the ovary
25.Vexilary aestivation is usually seen in?
A. Dimerous flowers
B. Pentamerous flowers
C. Tetramerous flowers
D. Dimerous flowers
26.Which among the following is not correct about classification of flowers?
A. A flower containing only stamen is called staminate
B. Based on symmetry, flowers are classified into actinomorphic, zygomorphic and asymmetric flowers
C. Flowers that possess radial symmetry is said to be zygomorphic flower
D. A flower containing only stamen is called staminate
27.Which among the following is incorrect about classification of flowers?
A. Pea possesses bilateral symmetry
B. Jasmine is an example of trimerous flower
C. Papaya is an example of unisexual flower
D. Pea possesses bilateral symmetry
28.Which among the following statements is incorrect about classification of flowers based on position of whorls?
A. In hypogynous flower, gynoecium occupies the highest position
B. Superior ovary is present in hypogynous flower
C. China rose is an example of hypogynous flower
D. In hypogynous flower, gynoecium occupies the highest position
29.A mustard flower is an example of?
A. Actinomorphic flower
B. Zygomorphic flower
C. Asymmetric flower
D. Actinomorphic flower
30.Periwinkle is an example of ?
A. Dimerous
B. Trimerous
C. Tetramerous
D. Dimerous
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