Explore topic-wise MCQs in Biology.

This section includes 23 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Important components of biodiversity are

A. Genetic diversity
B. Species diversity
C. Ecological diversity
D. All of these
Answer» E.
2.

If at high attitudes, birds became rare, plants likely to disappear are

A. Pine
B. Orchids
C. Oak
D. Rhodo dendrons
Answer» E.
3.

Fish can survive inside a frozen lake, because

A. Fish are warm blooded animals
B. Fish hibernate in ice
C. Water near the bottom does not freeze
D. Ice is a good conductor of heat
Answer» D. Ice is a good conductor of heat
4.

Main cause of extinction of species from tropics is

A. Soil erosion
B. Pollution
C. Deforestation
D. Aforestation
Answer» D. Aforestation
5.

Hot spots of biodiversity aree are with

A. Little biodiversity
B. Maximum biodiversity
C. Maximum conservation
D. Both a and c
Answer» C. Maximum conservation
6.

BOD is a measure of

A. Industrial wastes passed into water bodies
B. Amount of carbon monoxide combined with haemoglobin
C. Extent of pollution with organic matter
D. Amount of oxygen required by plant during night
Answer» D. Amount of oxygen required by plant during night
7.

Development of the natural system is described as

A. Function of the system
B. Evolution of the systems
C. Self sustained process of the system
D. None of above
Answer» D. None of above
8.

Species listed in Red Data book are

A. Vulnerable
B. Threatened
C. Endangered
D. All of above
Answer» E.
9.

The percentage of land area covered under forest according to Indian Forest policy is

A. 43%
B. 23%
C. 33%
D. 13%
Answer» D. 13%
10.

An in-situ method of conservation is

A. Botanical garden
B. Cryopreservation
C. National park
D. Tissue culture
Answer» D. Tissue culture
11.

Organisation responsible for maintaing Red data book is

A. IUGN
B. CITES
C. WWF
D. IBWL
Answer» B. CITES
12.

Which group has the highest number of endangered species ?

A. Mammals
B. Fishes
C. Reptiles
D. Birds
Answer» D. Birds
13.

Which one of the following is the first national park established in India

A. Bendipur
B. Corbet
C. Velavadar
D. Periyar
Answer» C. Velavadar
14.

Logo of WWF-N is

A. Red Panda
B. Giant Panda
C. Polar bear
D. Tiger
Answer» B. Giant Panda
15.

Silent valley having rare plant and animal is located in

A. Kerala
B. Karnataka
C. Jammu and Kashmir
D. Andhra Pradesh
Answer» B. Karnataka
16.

The 'red date book' containing information on all wild plants and animals which is in danger of extinction has been published by which one of the following :

A. International union for conservation of nature and natural Resources (IUCN)
B. World Wild life Fund (WWF)
C. World Conservation Union (WCU)
D. United National Union Program (UNEP)
Answer» B. World Wild life Fund (WWF)
17.

Hot spot area of India occur in

A. Tropical Andes
B. Western Himalayas
C. Madagascar
D. Mesopotamia
Answer» C. Madagascar
18.

The genetically engineered 'Golden Rice is rich' in which of the following

A. Vitamin A and nicotinic acid
B. B - Carotene, vitamin A and folic acid
C. B - Carotene and iron
D. Vitamin A and niacin
Answer» C. B - Carotene and iron
19.

Which pair of geographical area shows maximum diversity in our country ?

A. Eastern Himalayas and Western Ghats
B. Sundervans and Rann of Jutchch
C. Eastern Ghats & West Bengal
D. Kerala and Punjab
Answer» B. Sundervans and Rann of Jutchch
20.

Biodiversity forms the basis for human existence in the following ways

A. 1, 2 and 3 only
B. 2, 3 and 4 only
C. 1 and 4 only
D. 1, 2, 3 and 4
Answer» B. 2, 3 and 4 only
21.

Which one is not endangered

A. Asiatic wild Ass
B. Idri Idri
C. Lion Tailed Macaque
D. Addox Antelopes
Answer» E.
22.

Which one of the following types of cell has the ability to develop into any type of all ?

A. Endodermal cell
B. Ectodermal cell
C. Stem cell
D. Muscles cell
Answer» D. Muscles cell
23.

Number of plant species estimated to be present in India is

A. 40,000
B. 45,000
C. 50,000
D. 80,000
Answer» B. 45,000