General Science MCQ Questions and Answers for competitive exams

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General Science MCQ Questions and Answers for competitive exams UPSC IAS Prelims, SSC CGL, CHSL,UGC NET, bank exams , Entrance exams test Online Quiz practice Questions Practice

General Science gk Questions and Answers

1.
Adventitious roots develop from

a
Epidermis
b
Pericycle or interfascicular parenchyma
c
Endodermis
d
Cortex

2.
Wilting in plants occurs because of

a
the blockage of phloem
b
the blockage of xylem
c
both (a ) and (b )
d
increased transpiration

3.
Bacteria do not need sunlight to grow because

a
They prepare their food without the help of sunlight
b
They use other kinds of light for their food synthesis
c
They lack chlorophyll and so they are incapable of making their own food
d
They hate sunlight

4.
Which of the following one of the following weeds is effective in controlling water pollution caused by industrial effluents -

a
Mogar grass
b
Elephant grass
c
Water hycinth
d
Parthenium

5.
The xylem in plants are responsible for:

a
transport of water
b
transport of amino acids
c
transport of food
d
transport of oxygen

6.
Which among the given correctly explains the phenomenon of 'Test Tube Baby' -

a
When the fertilisation is internal & development is external.
b
When the fertilisation is external & development is internal.
c
When every process of embryo formation is in the test tube.
d
When the embryo develops in a test tube.

7.
In the eye donation, which part of the eye is transplanted from the donor?

a
Lens
b
The whole eye
c
Cornea
d
Retina

8.
Locomotory organ of a starfish is

a
Flipper
b
Muscular foot
c
Paddle
d
Tube feet

9.
The genetic material that contains all the information needed for the development and existence of an organism is

a
ribonucleic acid
b
ribosomal RNA
c
transfer RNA
d
deoxyribonucleic acid

10.
Plants absorb most of the water needed by them through their

a
Embryonic zone
b
Zone of elongation
c
Root hairs
d
Growing point

11.
Foot and mouth disease in animals, a current epidemic in some parts of the world, is caused by

a
protozoan
b
fungus
c
virus
d
bacterium

12.
A person having AB-group of blood can donate blood to a person having

a
AB-group
b
B-group
c
O-group
d
A-group

13.
Which among the given listed is not a feature of organic farming -

a
Very less energy consumption
b
Use of synthetic fertilizers
c
The non-use of chemical fertilizers & pesticides
d
Soil is nurtured for furture use by maintaining micro-organisms

14.
Consider the following organisms 1. Agaricus 2. Nostoc 3. Spirogyra Which of the above is/ are used as biofertiliser/biofertilisers?

a
1 and 2
b
Only 2
c
2 and 3
d
Only 3

15.
Which of the following one of the following glands is responsible for secretion of sex hormones -

a
Thyroid gland
b
Adrenal gland
c
Pituitary gland
d
Sebaceous gland

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General Science MCQ Questions and Answers for competitive exams

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