Basic Biology Science Quiz: 30 Questions Test Your Knowledge

by Sachin Chavan · June 29, 2021

Biology Science Quiz

Basic Biology Science Quiz: 30 Questions Test Your Knowledge

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Basic Biology Science Quiz: 30 Questions Test Your Knowledge

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Free CSIR NET JRF Life Science Online Mock Test 1

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100

Created on June 29, 2021

Biology Science Quiz 1

Biology Science Quiz includes basic biology questions generally asked in biology exams.

1 / 30

A top athlete has a resting heart rate of 50 beats and cardiac output of 5 liters. What is his stroke volume?

A) 50 mL

B) 100 mL

C) 200 mL

D) 70 mL

Definitely not autotrophs.

2 / 30

First life on earth was:

A) Cyanobacteria

B) Saprophytes

C) Chemo-heterotrophs

D) Photo-autotrophs

3 / 30

Thylakoid membranes of chloroplasts are rich in …

A) gangliosides and cerebrosides

B) sphingolipids and galactolipids

C) sulfolipids and sphingolipids

D) galactolipids and sulfolipid

4 / 30

Centromeres of mammalian chromosomes are characterized by:

A) facultative heterochromatin and mid-replicating

B) constitutive heterochromatin and late-replicating

C) facultative heterochromatin and early-replicating

D) DNA sequences with high recombination frequency

5 / 30

The DNA protein ratio in chromatin in general is:

A) 3:1

B) 2: 1

C) 1: 2

D) 4: 1

6 / 30

Which of the following is not an endangered species?

A) The rhesus macaque, Macaca mulatta

B) Kashmir gray langur, Semnopithecus ajax

C) Lion-tailed macaque, Macaca silenus

D) Hoolock gibbon, Hoolock hoolock

7 / 30

In mature coconuts the liquid endosperm becomes milky and …

A) it does not contain free nuclei or cells

B) it contains free nuclei only

C) it contains cells only

D) it contains free nuclei or cells.

8 / 30

What is the basic structural unit of chromatin?

A) DNA

B) Chromatin fibre

C) Histones

D) Nucleosome

9 / 30

The F2 Phenotypic ratio is 1 : 1 : 1 : 1 : 1 : 1 : 1 : 1 . What type of cross was made with F1 to obtain this ratio?

A) Back cross

B) Test cross

C) Two-way cross

D) Three-way cross

10 / 30

In the CO2 fixation pathway in crassulacean plants, which of the following is the acceptor of CO2?

A) Ribulose 1, 5 bisphosphate

B) Phoenol pyruvate

C) Ribulose 5 phosphate

D) Oxaloacetate

11 / 30

A virus that kills its host is said to be:

A) Lysogenic

B) Temperate

C) Lytic

D) Lytic or Lysogenic but not Temperate

Think in a broader percpective.

12 / 30

The product of transcription is a …

A) RNA

B) functional mRNA

C) pre-mRNA

D) Sn RNAs

13 / 30

Among the following three forms of DNA, which one has deeper major groove?

A) A-Form

B) B-Form

C) Z-Form

D) Both A and Z forms

14 / 30

“Synonymous codons” for ammo acids in the “Genetic code” depict that:

A) Higher frequency of the codon results into higher percentage of the amino acid in the proteins

B) Mutation at the third position of the codon may not result into defect in the protein

C) Mutation at the first position of the codon may not result into defect into the protein

D) tRNA anticodon does not bind to the third position of the codon

15 / 30

Which of the following is an edaphic factor?

A) Light

B) Rainfall

C) Soil

D) Wind

16 / 30

Filtration of blood through the glomerulus of a kidney under normal conditions is:

A) a chemical process

B) an energy dependent process

C) a physical process

D) a carrier-mediated process

17 / 30

Late blight of potato is caused by:

A) Phytopthera infestans

B) Endothia parasitica

C) Puccinia graminis

D) Ustilago maydis

18 / 30

The main difference between active transport and facilitated diffusion is:

A) in active transport the molecules move from areas of low concentration to areas of high concentration without spending energy.

B) in diffusion the molecules move from areas of low concentration to areas of high concentration without spending energy.

C) in active transport energy is consumed to move molecules against a concentration gradient.

D) although a carrier molecule may not be needed in active transport, diffusion cannot take place without a carrier molecule.

19 / 30

…….. was the first growth hormone to be studied in
plants

A) Gibberellin

B) Cytokinin

C) Auxin

D) Abscisic acid

20 / 30

In the lakes the top consumer must be:

A) fishes that eat phytoplankton

B) fishes that consume detritus

C) fishes that are piscivore

D) fishes that eat zcoplankton

21 / 30

The active anti-cancer agents vinblastine and vincristine are obtained from :

A) Carthamus tinctarius Linn

B) Cassytha filiformis Linn

C) Catheranthus roseus (L.) G. Dom

D) Castanea sativa Mill

22 / 30

ABO blood group in man is an example for:

A) Pleiotropic effects

B) Multiple alleles and co-dominance

C) Sex linked and sex limited inheritance

D) Polygenic inheritance

23 / 30

Historically which was the first genetically modified plant for antibiotic resistance and was produced in 1982 ?

A) Potato

B) Corn

C) Tobacco

D) Soybean

Potatoes originated somewhere in South America.

24 / 30

The center of origin of potatoes is…

A) Brazil

B) Central Asia

C) Peru

D) North-east Asia

25 / 30

The amount of energy that must be added to break a bond is exactly equal to the amount that is released upon formation of the bond. Which law of thermodynamics among the following is applicable to this situation?

A) First

B) Second

C) Third

D) Fourth

26 / 30

The 50 S ribosomal subunit is present in:

A) Prokaryotic cell only

B) Both prokaryotic and eukaryotic cell

C) Eubacteria only

D) Eukaryotic cell only

27 / 30

. __________ is a very sensitive bioindicator of sulphur dioxide pollution in the air.

A) Wild rice

B) Water cabbage

C) Lichen

D) False Ashoka

28 / 30

Which process introduces new alleles in a population?

A) Natural selection

B) Mutation

C) Genetic drift

D) Genetic recombination

29 / 30

The terms synapse and synapsis are respectively used in relation to:

A) Nervous system and chromosomal pairing

B) cell fusion and nuclear fusion

C) transcription and cell motility

D) metabolism and protein synthesis

30 / 30

Formation of new species without geographic isolation, in presence of a barrier to gene flow is known as _____________ speciation.

A) Isopatric

B) Allopatric

C) Sympatric

D) Allelopatric

Your score is

The average score is 39%

This is it for today!!! If you think this test has helped you or have any suggestions or requirements related to Biology Science Quiz, comment below. Prepare smart and hard for the exam make your family and yourself proud, because NO ONE GONE DO IT FOR YOU !!! See you in the next article.

Try it too :

Free CSIR NET JRF Life Science Online Mock Test 1

[Download] Pdf books for biology

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Basic Biology Science Quiz: 30 Questions Test Your Knowledge

Basic Biology Science Quiz: 30 Questions Test Your Knowledge

Try it too :

Free CSIR NET JRF Life Science Online Mock Test 1

[Download] Pdf books for biology

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