100+ Biology Questions for SSC CGL/CHSL/CDS/UPSC/Railway Exams

biology questions


Hello friends, Today we are sharing with you 100+ Biology questions for SSC CGL/CHSL/CDS/UPSC/Railway and other  state and central government exams. These Biology Questions are compiled by us for you. These Biology questions are from previous year papers of various exams. We have compiled this PDF of Biology Questions so that you can prepare for upcoming exams and score well in those exams.

biology questions

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Biology Questions

Wheat is a ______.

1) Creeper

2) Herb

3) Shrub

4) Tree

Correct Answer: Herb


Snakes, turtle, lizards and crocodiles falls under which category of animals

1) Pisces

2) Amphibian

3) Reptilian

4) Aves

Correct Answer: Reptilian


With which of the following body organ is ‘pace-maker’ associated

1) Liver

2) Brain

3) Heart

4) Lungs

Correct Answer: Heart


Hemoglobin is an important component of _______.

1) white blood cells

2) red blood cells

3) plasma

4) All options are correct

Correct Answer: red blood cells


Anaemia is caused because of deficiency of which of the following

1) Cobalt

2) Iron

3) Sodium

4) Calcium

Correct Answer: Iron


The scientific name of human being is

1) Homo Nigrum

2) Melongena Sapiens

3) Homo Sapiens

4) Tigris Solanum

Correct Answer: Homo Sapiens


In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores

1) 2:2

2) 1:3

3) 3:1

4) 4:0

Correct Answer: 1:3


The body of all complex animals consist of only _______ basic types of tissue(s).

1) 4000

2) 400

3) 40

4) 4

Correct Answer: 4


Which is the longest bone in human body

1) febula

2) Tibia

3) Stapes

4) Femur

Correct Answer: Femur


Opposite the micropylar end, is the __________, representing the basal part of the ovule.

1) hilum

2) funicle

3) chalaza

4) nucellus

Correct Answer: chalaza


In unicellular organisms, all functions like digestion, respiration and reproduction are performed by a how many cell(s)

1) 1

2) 2

3) 3

4) 4

Correct Answer: 1


Auxiliary bud develops into which of the following part of the plant

1) Fruit

2) Leaf

3) Branch

4) Roots

Correct Answer: No Correct Answer


Xylem helps in transportation of which of the following

1) Food

2) Water

3) Nutrients

4) Both food and water

Correct Answer: No Correct Answer


Who proposed five kingdom classifications

1) Ernst Mayr

2) R. H. Whittaker

3) M. W. Beijerinck

4) D. I. Ivanovsky

Correct Answer: R. H. Whittaker


Which metal is responsible for Itai-Itai disease

1) Cadmium

2) Nickel

3) Chromium

4) Mercury

Correct Answer: Cadmium


Which of the following disease is caused by female Anopheles mosquito

1) Chicken Pox

2) Malaria

3) Black Fever

4) Cholera

Correct Answer: Malaria


Which part of the plant gives us saffron?

1) Roots

2) Petals

3) Stem

4) Stigma

Correct Answer: Stigma


Which of the following transports water from the roots of the plant to its leaves

1) Xylem

2) Phloem

3) Both xylem and phloem

4) Cortex

Correct Answer: Xylem


Which among the following has segmented body?

1) Phylum Mollusca

2) Phylum Arthopoda

3) Phylum Annelida

4) Phylum Coelenterata

Correct Answer: No Correct Answer


Synapse gap is present between which of the following

1) Two neurons

2) Brain and Spinal Cord

3) Two Kidneys

4) None of these

Correct Answer: Two neurons


Which organ has finger like outgrowths which are called as Villi (Singular Villus)

1) Large Intestine

2) Bladder

3) Small Intestine

4) Stomach

Correct Answer: Small Intestine


Who discovered malaria causing germs

1) Christiaan Bernard

2) Charles Louis Alphonse Laveran

3) Dmitry Ivanovsky

4) Martinus William Beijerinck

Correct Answer: Charles Louis Alphonse Laveran


Cattle quickly swallow grass and store it in their __________.

1) rumen

2) esophagus

3) small intestine

4) salivary glands

Correct Answer: rumen


Which of the following carries oxygen to various parts of human body

1) Red blood cells

2) White blood cells

3) Plasma

4) Nerves

Correct Answer: Red blood cells


Which of the following function is performed by the kidneys in the human body

1) Excretion

2) Respiration

3) Digestion

4) Transportation

Correct Answer: Excretion


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