The living world (NEET/AIIMS Online Practice Exam)

Match the following:-
Column A Column B

A Ronald Ross 1 Cyanobacteria

B TH Morgan 2
GM tomato

C
Spirulina
3 GM potato

D Flavr savr 4
Malaria

5 Sex-linked inheritance
1. A—4, B—1,C—2,D—5
2. A—4, B—5, C—1, D—2
3. A—5, B—1, C—2, D—4
4. A—4, B—2, C—3, D—5
Metabolic reactions can be demonstrated outside the body in cell free systems. An isolated metabolic reaction outside the body of an organism, performed in a test tube is:-
1. living thing
2. non-living thing
3. neither living nor non-living thing but a living reaction
4. None of the above

About 98% of the mass of every living organism is composed of just six elements including carbon, hydrogen, nitrogen, oxygen,
1. phosphorus and sulphur
2. sulphur and magnesium
3. magnesium and sodium
4. calcium and phosphorus
What is common between parrot, platypus and kangaroo?
1. Homeothermy
2. Toothless jaws
3. Functional post-anal tail
4. Ovoparity
Which of the following is not correct?
1. Biological organisation starts with submicroscopic molecular level
2. 25 elements are essential for animals and 17 for plants
3. 98% mass of every living organism is composed of C, H, N2 , O 2 , P and S
4. 98% mass of every living organism consists of three elements including potassium
Bt cotton is a transgenic plant with insect resistance.
1. Bt2 gene encoding Bt toxin derived from Bacillus thuringiensis
2. Bt2 gene encoding Bt toxin derived from bamboo twigs
3. Bt2 gene encoding Bt toxin derived from Agrobacterium tumefaciens
4. Bt2 gene encoding Bt toxin derived from bushy twigs
Probiotics are:-
1. safe antibiotics
2. cancer inducing microbes
3. new kind of food allergens
4. live microbial food supplement
The first clone generated from a fully differentiated animal cell by Keith Campbell and Ian Wilmut in 1996 was:-
1. Dolly, a sheep
2. Andy, a monkey
3. rat
4. fish
Which of the following is not correctly matched?
1. Aconite (Solanaceae) — Tuberous roots
2. Sarpgandha (Apocyanaceae) — Roots
3. Ashwagandha (Solanaceae) — Leaves
4. Belladonna (Solanaceae) — Leaves
The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for:-
1. responsiveness to touch
2. interaction with the environment and progressive evolution
3. reproduction
4. growth and movement
Hirudin, an anticoagulant protein of leech, can be produced from genetically engineered
1. Hirudinaria (leech)
2. Bacillus thuringiensis (bacteria)
3. Brassica napus (plant)
4. Saccharomyces cerevisiae (fungus)
Biological organisation starts with
1. submicroscopic molecular level
2. cellular level
3. organismic level
4. atomic level
After completion of human genome project, human genome is estimated to have
1. 100000 genes
2. 30,000 genes
3. 50000 genes
4. 750000 genes
Which of the following is a man-made cereal?
1. Triticale
2. Phosphocarpus tetragonolobus
3. Euphorbia lathyrus
4. All of the above
Quinine, an antimalarial drug is obtain from the bark of a plant called:-
1. Rauwolfia serpentina (Apocyanaceae)
2. Papaver somniferum (Papaveraceae)
3. Atropa belladonna (Solanaceae)
4. Cinchona officinale (Rubiaceae)
Homeostasis is
1. tendency to change with change in environment
2. tendency to resist change
3. disturbance in regulatory control
4. plants and animal extracts used in homeopathy
Triticale, the first man-made cereal rop, has been obtained by crossing wheat with :-
1. rye
2. pearl millet
3. sugarcane
4. barley
Three crops that contribute maximum to global food grain production are :-
1. wheat, rice and maize
2. wheat, maize and sorghum
3. rice, maize and sorghum
4. wheat, rice and barley
Streptomycin was discovered by S Waksman from:-
1. Penicillium notatum
2. Aspergillus niger
3. Streptomyces noursei
4. Streptomyces griseus
Which one of the following is a correct statement?
1. ‘Bt’ in Bt cotton indicates that it is a genetically modified organism produced through biotechnology
2. Somatic hybridisation involves fusion of two complete plant cells carrying desired genes
3. The anticoagulant hirudin is being produced from transgenic Brassica napus seeds
4. ‘Flavr savr’ variety of tomato has enhanced the production of ethylene, which improves its taste
Directions:- In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as:-
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.

Assertion :- Term ‘biology’ was coined by Lamarck and Treviranus (1802).
Reason :- Biology is the science dealing with the study of different aspects of living beings.
1. a
2. b
3. c
4. d
Directions:- In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as:-
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.

Assertion :- Aristotle is called Father of Zoology as well as Botany.
Reason :- Leeuwenhoek is considered as Father of Microbiology beings.
1. a
2. b
3. c
4. d
Directions:- In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as:-
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.

Assertion :- Suberin is a waxy substance formed in plant cell walls.
Reason :- Paraffin wax is a biological wax.
1. a
2. b
3. c
4. d
Directions:- In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as:-
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.

Assertion :- True regeneration can be seen in Planaria..
Reason :- In regeneration, body is cut into small pieces and any piece can regenerate its lost parts and becomes a new organism.
1. a
2. b
3. c
4. d
Directions:- In each of the following questions a statement of Assertion is given followed by a corresponding statement of Reason just below it. Of the statements, mark the correct answer as:-
(a) If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.
(c) If Assertion is true, but Reason is false.
(d) If both Assertion and Reason are false.

Assertion :- Kangaroo rat and American desert ground squirrel can survive without water.
Reason :- These produce concentrated urine and almost dry faeces.
1. a
2. b
3. c
4. d
Match the following
Column A Column B

A Carl Woese 1 Eukaryotic

B Fungi 2
Prokaryotic

C
Monera
3 Six kingdom system

D Tunicate 4
Without cell

5 Animals having cellulose
1. A—3, B—1, C—2, D—5
2. A—1, B—2, C—3, D—4
3. A—4, B—5, C—1, D—2
4. A—2, B—1, C—5, D—4
There are about 109 elements, i.e., 95 natural and other artificially synthesised, of these, how many elements are essential for animals and plants?
1. 25 essential for plants and 17 for animals
2. 17 essential for animals and 25 for plants
3. 30 essential for plants and 25 for animals
4. 25 essential for plants and 30 for animals
A technique whereby a researcher can produce a DNA with a specific mutation at a particular site coding for a certain amino acid and producing a customised protein, is called:-
1. polymerase chain reaction
2. site directed mutagenesis
3. short term and long term memory
4. programmed cell death or apoptosis
In which branch, we study about remains of plant life?
1. Palaeontology
2. Palaeobotany
3. Eugenics
4. Palynology
The science that deals with life form and living process is called as :-
1. Cytology
2. Biology
3. Physics
4. Chemistry
The living world comprises an amazing diversity of :-
1. Non living organism
2. Virus
3. Living organisms
4. All of these
Which of the Statement are the inanimate matters:-
I. Wind, Water, Frog.
II. Wind, Fire,Soil.
III. Stone, Rock, Fire.
IV. Stone, Bacteria, Water.

Choose the correct option:
1. I, II, IV
2. I & IV
3. II & III
4. I, II, III & IV
A common features between inanimate & animate matters is /are. Choose the correct options:-
I. sense of awe
II. fear that evoked
III. systematic behaviour
1. I & III
2. II & III
3. I & II
4. I, II & III
Which view in the society register limited progress in biological knowledge:-
1. physocentric view
2. anthropocentric view
3. histocentric view
4. All of these
Which type of description brought out necessity of detailed study of identification, nomenclature & classification. Choose from the given option:-
Option:-
I. systematic description
II. monumental description
III.behaviourial description
1. I & II
2. II & III
3. I & III
4. I, II & III
Fill up the option A,B & C from the following statements:-
That all present day living organisms are --A-- to each other and also to all organisms that ever lived on this earth, was a ---B--- which humbled man and led to cultural movements for conservation of --C----.
1. A-related , B-biodiversity- , C-revelation
2. A-revelation , B-biodiversity , C- related
3. A-revelation , B-biodiversity , C- related
4. A-related , B-revelation- , C- biodiversity
Who is regarded as ‘The Darwin of the 20th century’:-
1. Eernst Mayr
2. Ernst Mayer
3. Mayr Ernst
4. Ernst Mayr
Who was awarded the three prizes widely regarded as the ‘triple crown of biology’:-
1. R.Virchow
2. R. Hooke
3. Ernst Mayr
4. All of these
The extraordinary habitats in which we find living organisms, be it :-
Choose the correct statements:-
I. cold mountains, deciduous forests
II. oceans, fresh water lakes,
III. deserts or hot springs,
IV. home or office
1. I, II & IV
2. I, II & III
3. II, III & IV
4. I, II, III & IV
The ---A--- conflict and cooperation among members of a population and among ---B--- of a community or even the ---C--- traffic inside a cell make us deeply reflect on – what indeed is life?
Fill up A, B & C form the above statements:-
1. A-populations, B- ecological,, C- molecular
2. A-molecular, B- ecological,, C- populations
3. A-ecological, B- populations, C- molecular
4. A-molecular, B- populations,, C-ecological
Choose the correct statements about the unique features of living organism:-
I. growth
II. reproduction
III. ability to sense environment
IV. mount a suitable response

Choose the correct options:-
1. I, II & III
2. II, III & IV
3. I, III & IV
4. I, II, III & IV
What is the twin characters of growth :-
1. Increase in mass
2. Increase in number
3. Increase in area
4. Both ‘Increase in mass’ & ‘Increase in number’
Multicellular organism grow by means of :-
1. Asexual reproduction
2. Sexual reproduction
3. Cell division
4. All of these
In plants growth by cell division occurs :-
1. for certain period
2. throughout life span
3. up to reproductive stage
4. All of these
Which characters cannot be taken as defining property of living organism:-
1. Reproduction
2. Growth
3. Sense
4. All of these
Choose the correct statements about multicellular organisms, reproduction refers to:-
I.the production of progeny
II. possessing features more or less similar to those of parents
III. growth
IV. increase in volume
1. I & II
2. III & IV
3. II & III
4. I, II, III & IV
Fungi reproduce and multiply by :-
1. asexual non spores
2. asexual spores
3. sexual spores
4. Both ‘asexual spores’ & ‘sexual spores’
Yeast & Hydra reproduce asexually by :-
1. Fragmentation
2. Budding
3. Spores
4. All of these
True regeneration type of multiplication is found in :-
1. Plasmodium
2. Planaria
3. Hydra
4. Euglena
The multiplication by fragmentationis found in :-
I.The fungi
II. the filamentous algae
III. the protonema of mosses
IV.the flower of angiosperm
V. the gametophyte of gymnosperm
1. I, II & V
2. I, III & IV
3. I, II & III
4. I, II, III, IV & V

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	Column A		Column B
A	Ronald Ross	1	Cyanobacteria
B	TH Morgan	2	GM tomato
C	Spirulina	3	GM potato
D	Flavr savr	4	Malaria
		5	Sex-linked inheritance

	Column A		Column B
A	Carl Woese	1	Eukaryotic
B	Fungi	2	Prokaryotic
C	Monera	3	Six kingdom system
D	Tunicate	4	Without cell
		5	Animals having cellulose

The living world (NEET/AIIMS Online Practice Exam)

MCQ