Explore topic-wise MCQs in Biology.

This section includes 210 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Seed Which disperse through air are generally

A. Dark in colour
B. Lighter in Weight
C. Heavy in weight
D. Round in shape
Answer» C. Heavy in weight
2.

Coconut and mango grouped under kind of fruit

A. Pome
B. Bery
C. Drup
D. Pepo
Answer» D. Pepo
3.

For which of the following crops does India have the largest cultivated area in the world?

A. Wheat
B. Rice
C. Pulses
D. Cotton
Answer» C. Pulses
4.

True fruit develope from

A. Ovary
B. Thalmus
C. Petal
D. Funicle
Answer» B. Thalmus
5.

Part of plant which is important for the life cycle of plant is

A. Fruit
B. Bud
C. Flower
D. Stem
Answer» D. Stem
6.

Stilt root is found in

A. Paddy
B. Sugar cane
C. Ground nut
D. Gram
Answer» C. Ground nut
7.

Seed coat of seed is formed by

A. Integuments
B. Embryo
C. Ovule
D. Hilum
Answer» B. Embryo
8.

Pollination takes place with the help of water is called

A. Zoophily
B. Hydrophyily
C. Entomophily
D. Anemophily
Answer» C. Entomophily
9.

Pollen grain is

A. Empryo
B. Male gametophyte
C. Spore mother cell
D. Female gametophyte
Answer» C. Spore mother cell
10.

A flower bud which is used as spice is obtained from

A. Cinnamon
B. Cardamon
C. Clove
D. Coriander
Answer» D. Coriander
11.

Root found in Dahila is

A. Tuberous root
B. Fusiform root
C. Fasiculated root
D. Conical root
Answer» D. Conical root
12.

The flavour of apples is mainly due to which one of the following?

A. Formalin
B. Benzene
C. Ethanal
D. Benzaldehyde
Answer» D. Benzaldehyde
13.

Which one of the following is a flase fruit

A. Apple
B. Mango
C. Cashew-nut
D. Betel-nut
Answer» B. Mango
14.

Cross pollination is more benifited due to

A. Formation of seed
B. Formation of good seed
C. Formation of weak seed
D. None
Answer» C. Formation of weak seed
15.

The seed in a nature ovary developed from

A. Embryo
B. Embryosac
C. Ovules
D. Endosperm
Answer» D. Endosperm
16.

Which one of the following is an insectivorous plant

A. Fashion flower plant
B. Pitcher plant
C. Night queen
D. Flame of the forest
Answer» C. Night queen
17.

Zoophily means pollination by

A. animal
B. water
C. wind
D. insect
Answer» B. water
18.

Pollination takes place in flower having smell by

A. Insects
B. Wind
C. Water
D. Animal
Answer» B. Wind
19.

Smallest angiospermic plant is

A. Wolffia
B. Victoria
C. Rafflesia
D. Orchid
Answer» B. Victoria
20.

Family having six cotyledons is

A. Orchidacear
B. Leyuminosae
C. Lorantta ceae
D. All of the above
Answer» D. All of the above
21.

Epigeal germination is found in

A. Maiz
B. Wheat
C. Pea
D. Castor
Answer» E.
22.

Which one the following is a protein fiber?

A. Nylon
B. Polyester
C. Silk
D. Cotton
Answer» D. Cotton
23.

What is the mode of nutrition of mushroom?

A. Photosynthetic
B. Chemosynthetic
C. Parasitic
D. Saprophytic
Answer» E.
24.

Which component of plants receives stimulus for flowering?

A. Stems
B. Branches
C. Leaves
D. Roots
Answer» D. Roots
25.

Pollination Takes place with the help of bird is called

A. Entomophily
B. Anemophily
C. Ornithophily
D. Zoophily
Answer» D. Zoophily
26.

Which plant will lose its economic value if its fruits are produced by parthenocarpy

A. Grapes
B. Pomegranate
C. Orange
D. Banana
Answer» C. Orange
27.

The outermost whorl of Bougainvillea flower consist of

A. Bract
B. Epicalyx
C. Sepal
D. Petals
Answer» B. Epicalyx
28.

Which one of the following plant is preferred for mixed cropping in order to enhance the bioavailability of nitrogen ?

A. Wheat
B. Gram
C. Maize
D. Barley
Answer» C. Maize
29.

Which one of the following parts of the pitcher plant becomes modified into a pitcher ?

A. Stem
B. Leaf
C. Stipule
D. Petioles
Answer» C. Stipule
30.

Which one of the following is an insectivorous plant?

A. Passion on flower plant
B. Pitcher plant
C. Night queen
D. Flame of forest
Answer» C. Night queen
31.

Hair Present in maize corn cob is

A. Seed hairs
B. Modified hairs of bract
C. Stigma
D. Style
Answer» E.
32.

Seed developes from

A. Gynecium
B. Ovule
C. Ovary
D. Pollen grain
Answer» C. Ovary
33.

Edible part of Apple is

A. Pericarp
B. Mesocarp
C. Endocarp
D. Fleshy thalmus
Answer» E.
34.

Grain of rice is a

A. Seed
B. Monocotylednous fruit
C. Dicotylednous fruit
D. Endosperm
Answer» C. Dicotylednous fruit
35.

The edible Part of garlic is

A. Tunic
B. Reduced stem
C. Fleshy scales
D. Base of in floresence
Answer» D. Base of in floresence
36.

Bulb store food in

A. Root
B. Stem
C. Leaf base
D. Petioles
Answer» D. Petioles
37.

Pollination takes place in closed flower

A. Cleistogamy
B. Allogamy
C. Autogamy
D. None of these
Answer» B. Allogamy
38.

Pnematophores are found in

A. Xerophytic plant
B. Climbing plant
C. Mangroove plant
D. Hydrophytes plant
Answer» D. Hydrophytes plant
39.

Embryo is found in

A. Flower
B. leaves
C. Seeds
D. Buds
E. ..
Answer» D. Buds
40.

Which Part of pear is edible

A. Fleshy thalmus
B. Spores
C. Both (a) and (b)
D. Pod
Answer» B. Spores
41.

Which of the following plant only produce seed but not fruit?

A. Sugar-cane
B. Pea-nut
C. Cycus
D. Almond
Answer» D. Almond
42.

Parthanogenesis is seen generally in

A. Grapes
B. Lichi
C. Apple
D. Mango
Answer» B. Lichi
43.

Soft drinks such as cocoa contain singnificant quantities of

A. Caffein
B. Nicotine
C. Tannin
D. Renin
Answer» B. Nicotine
44.

Generally for germination which of the following is not needed?

A. Light
B. Water
C. Air
D. Temperature
Answer» B. Water
45.

Stem develops from

A. Plumule
B. Radicle
C. Ovule
D. Epicotyl
Answer» B. Radicle
46.

Hypogeal germination is found in

A. Pumpkin
B. Maize
C. Rhizophora
D. Beans
Answer» C. Rhizophora
47.

Eye of potato are

A. Apical buds
B. Axillary buds
C. Adventitious root
D. Extra axillary bud
Answer» C. Adventitious root
48.

Transfer of pollengrain from pollensac to stigma is called

A. Thalmus
B. Pollination
C. Fertilization
D. Germination
Answer» C. Fertilization
49.

Development of fruit without fertilization is called

A. Parthenogenesis
B. Parthenocarpy
C. Apomixis
D. Apogamy
Answer» C. Apomixis
50.

Tap root commonly occur in

A. Dicotyledons
B. Monocotyledons
C. Angiosperm
D. Grass
Answer» B. Monocotyledons