Explore topic-wise MCQs in Biology.

This section includes 57 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which one of the following is called resistance transfer factor

A. F-factor
B. R-factor
C. Col-factor
D. None of the above
Answer» C. Col-factor
2.

Somatic hybridization is a technique of [BHU 2004]

A. Natural breeding
B. Natural pollination
C. Artificial pollination
D. Somatic cells hybridization
Answer» E.
3.

Insect resistance transgenic cotton has been produced by inserting a piece of DNA from [CPMT 2004]

A. An insect
B. A bacterium
C. A wild relative of cotton
D. A virus
Answer» C. A wild relative of cotton
4.

Plants are genetically engineered with novel genes by [AIEEE 2003]

A. Protoplast fusion
B. Recombinant DNA technology
C. Embryo rescue technique
D. Recombination breeding
Answer» C. Embryo rescue technique
5.

Genetically engineered human insulin is called [CPMT 2000; MP PMT 2003]

A. Humulin
B. Haematin
C. Hybridoma
D. Hybrid
Answer» B. Haematin
6.

Introduction of foreign genes for improving genotype is [AIIMS 2002]

A. Biotechnology
B. Tissue culture
C. Vernalization
D. Genetic engineering
Answer» E.
7.

Jute fibres are [Orissa JEE 2005]

A. Bast fibres from stem pericycle
B. Fibrous mesocarp
C. Fibres on seeds
D. Bast fibres from secondary phloem
Answer» E.
8.

Which of the following cotton is suitable for hosiery products

A. Sea island cotton
B. Egyptian cotton
C. American cotton
D. All are equally important
Answer» C. American cotton
9.

Fibre yielding plant is [MP PMT 1998]

A. Cannabis sativa
B. Cicer arietinum
C. Triticum vulgare
D. None of the above
Answer» B. Cicer arietinum
10.

The botanical name of manila hemp is [Pune CET 1998]

A. Cannabis sativa
B. Hibiscus cannabinus
C. Musa taxtilis
D. Agave sisalana
Answer» D. Agave sisalana
11.

Fibres are obtained from [CBSE PMT 1989]

A. Xylem, phloem and sclerenchyma
B. Xylem, parenchyma and epidermis
C. Xylem, parenchyma and endodermis
D. Xylem, phloem, epidermis and sclerenchyma
Answer» E.
12.

An important fibre yielding plant is [West Bengal JEE 1984]

A. Corchorus
B. Cedrus
C. Frageria
D. Bambusa
Answer» B. Cedrus
13.

Cotton belongs to the family [CPMT 1993; MP PMT 2001, 2003]

A. Solanaceae
B. Leguminosae
C. Cucurbitaceae
D. Malvaceae
Answer» E.
14.

Rayon (Artificial silk) is a viscose yarn. It is made from

A. Polyethylene
B. Polyester
C. Wood pulp and cellulose linters
D. Petroleum products
Answer» D. Petroleum products
15.

Which of the following is incorrect about sisal hemp

A. Agavaceae
B. Bast fibres of leaves
C. Ropes and twine
D. Soft fibre
Answer» E.
16.

Coir fibre is used for preparing

A. Mats
B. Brush
C. Both a and b
D. None of the above
Answer» D. None of the above
17.

Which of the process is used to extract fibre from flax and jute

A. Ginning
B. Laping
C. Retting
D. None of the above
Answer» D. None of the above
18.

Ethiopia is the native place of

A. Cabbage
B. Rice
C. Coffee
D. Maize
Answer» D. Maize
19.

 Credit for bringing green revolution to India goes to [MP PMT 1999; Manipal 2005]

A. B.P. Pal
B. Norman Borlaug
C. M.S. Swaminathan
D. K.C. Mehta
Answer» D. K.C. Mehta
20.

Which of the following is more suitable place for germplasm collection [EAMCET 1987]

A. Peru
B. France
C. Britain
D. Brazil
Answer» B. France
21.

In high yielding 'hybrid crop varieties', to exploit hybrid vigour, the farmers need to purchase fresh hybrid seed every year, because [BHU 1994]

A. They are not allowed to grow their own seed
B. The hybrid vigour is lost due to inbreeding depression
C. The government of India has accepted Dunkel's proposals
D. It is cheaper to purchase fresh seed
Answer» C. The government of India has accepted Dunkel's proposals
22.

Snow rose belongs to genus

A. Rheum
B. Rhododendron
C. Rumex
D. None of the above
Answer» C. Rumex
23.

Which part of the plant Eugenia aromatica do we use (in the form of cloves) as an aromatic spice [Manipal MEE 1995]

A. Dried fruit
B. Dried and roasted seed
C. Unopened dried flower bud
D. Dried leaf
Answer» D. Dried leaf
24.

Reserpine an alkaloid or drug extracted from roots of the following plant which cures the mental disorders and reduces or check the blood pressure or A hypertension drug is derived from [AFMC 1983, 85; AIIMS 1987; BHU 1989; MP PMT 1988, 90, 91, 99, 2001; RPMT 2002]

A. Rauwolfia serpentina
B. Ferula asafoetida
C. Atropa belladona
D. Digitalis perpurea
Answer» B. Ferula asafoetida
25.

Which of the following plant yield sugar

A. Acer saccharum
B. Acer nigrum
C. Both a and b
D. None of the above
Answer» D. None of the above
26.

The rhizome and stalk of male fern ..... yield oleore sinous substance used for the expulsion of tapeworms

A. Dryopteris filix
B. Selaginella species
C. Lycopodium clavatum
D. Azolla
Answer» B. Selaginella species
27.

Which of the following plant's decoction is given in uterine disorders especially in menorrhagia and leucorrhoea

A. Saraca indica
B. Symplocos racemosa
C. Barringtonia acutangula
D. Soyamida febrifuga
Answer» B. Symplocos racemosa
28.

Rice research institute is situated at [BHU 1983, 88; MP PMT 2003]

A. Coimbatore
B. Cuttuck
C. Shimla
D. Trivendrum
Answer» C. Shimla
29.

Which of the following pulses is not a native of India

A. Gram/Cicer arietinum
B. Black gram/Phaseolus mungo
C. Green gram/Phaseolus aureus
D. All the above
Answer» B. Black gram/Phaseolus mungo
30.

One of the following is a Gift of new world to old world [DPMT 1980]

A. Wheat
B. Maize
C. Barley
D. Rice
Answer» C. Barley
31.

'Indian Grassland and Fodder Research Institute' is located at

A. Kanpur
B. Jhansi
C. Jodhpur
D. Hyderabad
Answer» C. Jodhpur
32.

Botanical name of sweet-corn is

A. Zea mays var everta
B. Zea mays var amylacea
C. Zea mays var indentata
D. Zea mays var tunicate
Answer» C. Zea mays var indentata
33.

Flint rice has a

A. High dextrin and high amylose
B. High dextrin and low amylose
C. Low dextrin and high amylose
D. Low dextrin and low amylose
Answer» D. Low dextrin and low amylose
34.

An improved variety of rice IR-8 has been introduced in India from

A. Bangladesh
B. Japan
C. Philippines
D. Taiwan
Answer» E.
35.

Which of the following countries is exporter of wheat

A. Canada
B. India
C. Australia
D. All the above
Answer» E.
36.

Bunt of wheat is caused by

A. Puccinia graminis
B. Ustilago tritici
C. P. glumarum
D. Neovossia indica
Answer» E.
37.

The largest wheat producing country is

A. India
B. U.K.
C. U.S.A.
D. Japan
Answer» D. Japan
38.

2n = 28 found in chromosome number is

A. Triticum turgidum
B. Triticum poeonicum
C. Triticum durum
D. All the above
Answer» E.
39.

Bengal gram or chick pea is obtained from genus

A. Cicer
B. Cajanus
C. Glycine
D. None of the above
Answer» B. Cajanus
40.

Kalyan Sona variety of wheat has

A. Dwarfness
B. Disease resistance
C. Both a and b
D. None of the above
Answer» D. None of the above
41.

Which of the following is kidneybean

A. Phaseolus vulgaris
B. Cicer arietinum
C. Cajanus cajan
D. None of the above
Answer» B. Cicer arietinum
42.

The protein present in wheat grain is [Orissa JEE 2005]

A. Glutenin
B. Glycogen
C. Zymase
D. Albumin
Answer» B. Glycogen
43.

Among the following vegetarian food items, which one is considered to be more rich in proteins [CPMT 2000; MP PMT 2002, 03]

A. Bread
B. Rice
C. Potato
D. Pulses
Answer» E.
44.

Ground nut is native of [Pune CET 1998]

A. Brazil
B. India
C. Japan
D. Philippines
Answer» B. India
45.

Areca catechu and supari belongs to the family [Pune CET 1998]

A. Poaceae
B. Palmae
C. Asteraceae
D. Scitamineae
Answer» C. Asteraceae
46.

Which is not included in poaceae family [Bihar 1995]

A. Paddy
B. Wheat
C. Grasses
D. Mustard
Answer» E.
47.

Vegetable crop cultivation is known as [CPMT 1995]

A. Horticulture
B. Sericulture
C. Silviculture
D. Apiculture
Answer» B. Sericulture
48.

Modern cereal Triticale is developed by crossing between [CPMT 1989; BHU 1979, 81, 86, 87; DPMT 1984; AIIMS 1991]

A. Triticum and Sorghum
B. Triticum and Avena
C. Triticum and Oryza
D. Triticum and Secale
Answer» E.
49.

Which of the following is the most important rice growing area

A. America
B. Europe
C. China
D. All are equally good
Answer» D. All are equally good
50.

Tapioca plant which store food in large fleshy storage roots belong to genus [BHU 1989, 90]

A. Manihot
B. Ipoemaea
C. Dioscorea
D. Solanum
Answer» B. Ipoemaea