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.

51.

The gas used for artificial ripening of fruit is

A. Ether
B. Ammonia
C. Acetylene
D. Ethylene
Answer» E.
52.

Water is conducted in vascular plant by

A. Phloem tissue
B. Parenchyma tissue
C. Meristems
D. Xylem tissue
Answer» E.
53.

A plant that flowers only once in life is

A. Monoflory
B. Monocarpic
C. Polycarpic
D. Multicarpic
Answer» C. Polycarpic
54.

Fruit of which of the following plant is found in underground soil

A. Potato
B. Carrot
C. Pea-nut
D. Onion
Answer» D. Onion
55.

Plant which grow in saline soil are

A. Xerophytes
B. Hydrophytes
C. Halophytes
D. Succulents
Answer» D. Succulents
56.

Edible part of Lichi is

A. Fleshy Thaimus
B. Aril
C. Mesocarp
D. Cotyledon
Answer» C. Mesocarp
57.

Edible part of Turnip is

A. Modified adventitious root
B. Modified tap root
C. Modified base of stem
D. Underground stem
Answer» C. Modified base of stem
58.

Bark of which tree is used as a concliment

A. Cinnamon
B. Clove
C. Neem
D. Palm
Answer» B. Clove
59.

The edible part of termeric is

A. Root
B. Rhizome
C. Fruit
D. Corm
Answer» C. Fruit
60.

Respiratory roots are found in

A. Betel
B. Chestnut
C. Maiz
D. Rhizophora
Answer» E.
61.

Which modification of root does not store food?

A. Napiform
B. Conical
C. Stilt
D. Tuberous
Answer» D. Tuberous
62.

The edible part of cauliflower is

A. Fruit
B. Bud
C. Flower
D. Inflorescence
Answer» E.
63.

Climbing root are found in

A. Ctenospora
B. Trapa
C. Piper betal
D. Water chestnut
Answer» D. Water chestnut
64.

Pollination by bat is called

A. Entomophily
B. Anemophily
C. Zoophily
D. Cheiropterophily
Answer» E.
65.

Epiphytic root are found in

A. Indian rubber plant
B. Orchids
C. Amerbel
D. None of these
Answer» C. Amerbel
66.

Onion is a modified form of

A. Stem
B. Root
C. Leaves
D. Fruit
Answer» B. Root
67.

Ginger is a

A. Modified root
B. Modified stem
C. Modified leaf
D. Modified bulb
Answer» C. Modified leaf
68.

Plant which does not bear flower is called

A. Orchides
B. Gymnosperm
C. Angiosperm
D. Crytogamus
Answer» C. Angiosperm
69.

Double fertilization is main feature of

A. Bryophytes
B. Pteridophytes
C. Gymnosperm
D. Angiosperm
Answer» E.
70.

Vegetative propagation by stem cutting is generally foundation

A. Banana
B. Sugarcane
C. Mango
D. Cotton
Answer» C. Mango
71.

Potato is a modified stem which is called

A. Corn
B. Tuber
C. Bulb
D. Scaly bulb
Answer» C. Bulb
72.

In cacti photosynthesis si done by

A. Leaf
B. Stem
C. Petiole
D. None of these
Answer» C. Petiole
73.

Pollination takes place by snail is called

A. Zoophily
B. Anemophily
C. Entomphily
D. Malcophily
Answer» E.
74.

Which of the following is a stem

A. Potato
B. Carrot
C. Seat potato
D. Radish
Answer» B. Carrot
75.

Edible part of coconut is

A. Pericarp
B. Endosperm
C. Seed coat
D. Complete seed
Answer» C. Seed coat
76.

Entomophily pollination occur with the help of

A. Animal
B. Leaf
C. Wind
D. Water
Answer» C. Wind
77.

Which of the following part modified into pitcher in pitcher plant

A. Stem
B. Leaf
C. Petiole
D. Stipule
Answer» C. Petiole
78.

Which one of the following types of plants produces spores and embryo, but without seeds and vascular tissue?

A. Gymnosperms
B. Pteridophytes
C. Bryophytes
D. Angiosperms
Answer» C. Bryophytes
79.

Viviparity is found in

A. Pineapple
B. Rhizophora
C. Rhizobium
D. Rhizoclonicum
Answer» C. Rhizobium
80.

In plant which one of the following tissues is dead?

A. Parenchyma
B. Collenchyma
C. Sclerenchyma
D. Phloem
Answer» C. Sclerenchyma
81.

The stem modified to perform the function of leaf and many interrnodes is called

A. Phylloclade
B. Cladode
C. Offest
D. Phyllode
Answer» B. Cladode
82.

Seedless fruit is obtained from

A. Using enzymes
B. Using harmones
C. Keeping plant at 70 C
D. Keeping plant in shiny light
Answer» C. Keeping plant at 70 C
83.

The edible part of mango is

A. Exocarp
B. Mesocarp
C. Endocarp
D. Pericarp
Answer» C. Endocarp
84.

Largest leaves occur in

A. Rafflesia
B. Victoria
C. Banana
D. Nicotiana
Answer» C. Banana
85.

Root develops from any part of plant body except the radical

A. Tap root
B. Adventitious root
C. Fibrous root
D. Tuberous root
Answer» C. Fibrous root
86.

Root develop form radical

A. Fibrous root
B. Respiratory root
C. Adventitious root
D. Tap root
Answer» E.
87.

Roots develope from

A. Plumule
B. Radicale
C. Stem
D. Leaf
Answer» C. Stem
88.

Prop root is

A. Tap root
B. Fasiculated root
C. Branched root
D. Adventitious root
Answer» E.
89.

Carrot is a modified

A. Root
B. Stem
C. Fruit
D. Flower
Answer» B. Stem
90.

National flower of India is

A. Lotus
B. Rafflesia
C. Lorenthus
D. Rose
Answer» B. Rafflesia
91.

Largest flower found in the world is

A. Rafflesia
B. Victoria
C. Drosora
D. Amerbel
Answer» B. Victoria
92.

Match List-I (name of the plant) with List-II (seed dispersal) and select the correct answer using the codes given below
List-I (Name of the Plant)List-II (Seed dispersal Mechanism)
F. Coconut1. By animal
G. Drumstick2. Exposice mechanism
H. Coklebur (Xanthium)3. By water
J. Castor4. By wind
Codes :
F GHJ
A.2143
B.3412
C.2413
D.3142

A. A.
B. B.
C. C.
D. D.
Answer» C. C.
93.

Partenogenesis is a process in which

A. Fruit develope without harmone
B. Fruit develope without fertilization
C. Development of egg without fertilization
D. Development of egg without fertilization
Answer» C. Development of egg without fertilization
94.

Consider the following statements
1. In algae, the reproductive organs are single celled.
2. Fern plants lack true vascular system.
Which of the statements given above is / are correct

A. Only 1
B. Only 2
C. Both 1 and 2
D. Neither 1 nor 2
Answer» B. Only 2
95.

Anemophily pollination takes place by

A. Animal
B. Insects
C. Wind
D. Water
Answer» D. Water
96.

Reproductive part of flower is

A. Androcium and gynoecium
B. Sepal and Petal
C. Petal and androcium
D. Sepal and gynecium
Answer» B. Sepal and Petal
97.

The edible part of potato is

A. Root
B. Bud
C. Fruit
D. Stem
Answer» E.
98.

Roots arises from the horizontal arial branches of tree Banyan is called

A. Annulated root
B. Climbing root
C. Still root
D. Prop root
Answer» E.
99.

In which of the following leaves are reduced?

A. Hydrophytes
B. Mesophytes
C. Halophytes
D. Xerophytes
Answer» E.
100.

A biennial plant is the one which

A. Completes life cycle in two years
B. Completes life cycle in two Seasons
C. Flowers every years but completes its life cycle in two years
D. Completes life cycle in Three yours
Answer» B. Completes life cycle in two Seasons