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SBI PO Exam General Awareness Study Material

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Science

Electric current is measured using which of the following instrument ?

a) Voltmeter
b) Anemometer
c) Wattmeter
d) Ammeter

✔Answer

✔Solution

Correct Answer Is : Ammeter

Solution Is : Electric current is measured using a device called an ammeter.

Photoperiodism affects

a) Flowering
b) Vegetative growth
c) Fruiting
d) All of these

✔Answer

✔Solution

Correct Answer Is : All of these

Solution Is : Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals. It affects Flowering, Vegetative growth and fruiting in plants.

Match the following :
I II
A. Ascorbic 1. Photosynthetic acid pigment
B. Chlorophyll 2. Quencher
C. Carotenoid 3. Enzyme
D. Superoxide dismutase 4. Vitamin-C

a) A-4, B-2, C-1, D-3
b) A-2, B-4, C-1, D-3
c) A-4,B-1, C-3, D-2
d) A-4, B-1, C-2, D-3

✔Answer

✔Solution

Correct Answer Is : A-4, B-1, C-2, D-3

Solution Is : The correct match is as follows: Ascorbic acid- Vitamin C Chlorophyll- Photosynthetic pigment Carotenoid- Quencher Superoxide dismutase- Enzyme

Allantois of Embryo helps in

a) Respiration
b) Excretion
c) Protection
d) Digestion

✔Answer

✔Solution

Correct Answer Is : Excretion

Solution Is : Allantois is a part of a developing amniote`s foetus which primarily involved in nutrition and excretion, and is webbed with blood vessels.

Which one of the following animals belongs to mollusca ?

a) Hare
b) Hydra
c) Hyla
d) Haliotis

✔Answer

✔Solution

Correct Answer Is : Haliotis

Solution Is : Haliotis belongs to Mollusca.

Outside the nucleus DNA is found in

a) Mitochondria
b) Ribosome
c) Endoplasmic reticulum
d) Golgi bodies

✔Answer

✔Solution

Correct Answer Is : Mitochondria

Solution Is : Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA

Animal protein is called first class protein because it is

a) Delicious in taste
b) Cheaper in the market
c) Rich in essential amino acids
d) Easily digestible

✔Answer

✔Solution

Correct Answer Is : Rich in essential amino acids

Solution Is : First class proteins contain all the essential amino acids in sufficient amounts. Animal proteins are obtained from Milk, egg, fish, meat etc. are first class proteins. These are also called adequate proteins.

It is easy to burst a gas-filled balloon with a needle than with a nail. It is because

a) Nail exerts more pressure than needle on the balloon.
b) Needle exerts more pressure than nail on the balloon.
c) Gas is reactive with the needle.
d) Nail is more longer than needle.

✔Answer

✔Solution

Correct Answer Is : Needle exerts more pressure than nail on the balloon.

Solution Is : Needle exerts more pressure than nail on the balloon.

The velocity of sound in moist air is more than in dry air because the moist air has

a) Less pressure than dry air.
b) More pressure than thy air.
c) More density than dry air.
d) Less density than dry air.

✔Answer

✔Solution

Correct Answer Is : More density than dry air.

Solution Is : The speed of sound is greater in moist air than in dry air.

X-rays can be used

a) To detect heart diseases.
b) To detect defects in precious stones and diamonds.
c) To detect gold under the earth.
d) For cutting and welding of metals.

✔Answer

✔Solution

SBI PO Exam General Awareness Study Material

Science

Electric current is measured using which of the following instrument ?

Correct Answer Is : Ammeter

Solution Is : Electric current is measured using a device called an ammeter.

Photoperiodism affects

Correct Answer Is : All of these

Solution Is : Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals. It affects Flowering, Vegetative growth and fruiting in plants.

Match the following : I II A. Ascorbic 1. Photosynthetic acid pigment B. Chlorophyll 2. Quencher C. Carotenoid 3. Enzyme D. Superoxide dismutase 4. Vitamin-C

Correct Answer Is : A-4, B-1, C-2, D-3

Solution Is : The correct match is as follows: Ascorbic acid- Vitamin C Chlorophyll- Photosynthetic pigment Carotenoid- Quencher Superoxide dismutase- Enzyme

Allantois of Embryo helps in

Correct Answer Is : Excretion

Solution Is : Allantois is a part of a developing amniote`s foetus which primarily involved in nutrition and excretion, and is webbed with blood vessels.

Which one of the following animals belongs to mollusca ?

Correct Answer Is : Haliotis

Solution Is : Haliotis belongs to Mollusca.

Outside the nucleus DNA is found in

Correct Answer Is : Mitochondria

Solution Is : Although most DNA is packaged in chromosomes within the nucleus, mitochondria also have a small amount of their own DNA. This genetic material is known as mitochondrial DNA or mtDNA

Animal protein is called first class protein because it is

Correct Answer Is : Rich in essential amino acids

Solution Is : First class proteins contain all the essential amino acids in sufficient amounts. Animal proteins are obtained from Milk, egg, fish, meat etc. are first class proteins. These are also called adequate proteins.

It is easy to burst a gas-filled balloon with a needle than with a nail. It is because

Correct Answer Is : Needle exerts more pressure than nail on the balloon.

Solution Is : Needle exerts more pressure than nail on the balloon.

The velocity of sound in moist air is more than in dry air because the moist air has

Correct Answer Is : More density than dry air.

Solution Is : The speed of sound is greater in moist air than in dry air.

X-rays can be used

Correct Answer Is : To detect defects in precious stones and diamonds.

Solution Is : X rays are frequently used to check the defects in Diamonds and other precious stones.

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Match the following :
I II
A. Ascorbic 1. Photosynthetic acid pigment
B. Chlorophyll 2. Quencher
C. Carotenoid 3. Enzyme
D. Superoxide dismutase 4. Vitamin-C