Naeem Academy - Test.take

Question 1 :-

The term biosphere refers to:

a:

Rocks and minerals

b:

Plants and animals

c:

Water sources

d:

Atmosphere and lithosphere

Question 2 :-

The boundary between troposphere and stratosphere is known as:

a:

Tropopause

b:

Ionopause

c:

Stratopause

d:

Mesopause

Question 3 :-

Ozone hole is:

a:

Increase in the concentration of ozone

b:

Hole in the ozone layer

c:

Depletion of the ozone layer in the troposphere

d:

Depletion of the ozone layer in the stratosphere

Question 4 :-

If an object is present at a distance of 5 km from the surface of the earth, it is present in:

a:

Troposphere

b:

Thermosphere

c:

Mesosphere

d:

Stratosphere

Question 5 :-

Excessive bleeding during an injury is a deficiency of__________.

a:

Vitamin A

b:

Vitamin B

c:

Vitamin K

d:

Vitamin E

Question 6 :-

Goitre and the enlarged thyroid gland are mainly diagnosed in patients with deficiencies of which of the following minerals?

a:

Iron

b:

Iodine

c:

Calcium

d:

Phosphorus

Question 7 :-

Which of the following vitamins has a coenzyme function?

a:

Vitamin A

b:

Vitamin C

c:

Vitamin B

d:

All of the above

Question 8 :-

Which of the following food source are the best sources of vitamin A?

a:

Sweet potato

b:

Poultry

c:

Legumes

d:

Dairy products

Question 9 :-

Which of the following is a water-soluble vitamin?

a:

Vitamin B1

b:

Vitamin C

c:

Vitamin B2

d:

All of the above

Question 10 :-

Which of the following is a fat-soluble vitamin?

a:

Vitamin B

b:

Vitamin C

c:

Vitamin B12

d:

Vitamin K

Question 11 :-

Which of the following diseases is caused by the deficiency of Niacin?

a:

Scurvy

b:

Rickets

c:

Pellagra

d:

Pernicious anemia

Question 12 :-

Which of the following vitamins serves as a hormone precursor?

a:

Vitamin A

b:

Vitamin C

c:

Vitamin D

d:

Vitamin K

Question 13 :-

Which of the following is a component of the coenzyme A?

a:

Retinol

b:

Pyridoxine

c:

Retinoic acid

d:

Pantothenic acid

Question 14 :-

Which of the following vitamins is also known as cobalamin?

a:

Vitamin B11

b:

Vitamin B2

c:

Vitamin B6

d:

Vitamin B12

Question 15 :-

Which of the following statements is false about Ascorbic acid?

a:

It shows antioxidant activity

b:

It is a strong reducing agent

c:

It can be synthesized in the body

d:

Involved in the hydroxylation of prolyl- and lysyl- residues of collagen

Question 16 :-

The division of cores of the Earth includes:

a:

Inner core

b:

Tectonic core

c:

Outer core

d:

Both a and c

Question 17 :-

The outermost layer of the Earth is:

a:

Asthenosphere

b:

Crust

c:

Trench

d:

Ridge

Question 18 :-

Name the non-membrane bound organelle exclusively found only in animal cell:

a:

Sphaerosome

b:

Glyoxisome

c:

Centriole

d:

Peroxisome

Question 19 :-

If the centromere is located at the proximity of the end of a chromosome, it is known as:

a:

Acrocentric

b:

Metacentric

c:

Telocentric

d:

Sub metacentric

Question 20 :-

This organism is not an example of eukaryotic cells:

a:

Euglena viridis

b:

Escherichia coli

c:

Amoeba proteus

d:

Paramecium caudatum

EDS 16-04-2022

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