Science - bio

Question 1

The largest cell is

Answer 1

The egg of an Ostrich

Question 2

Which is the largest human cell?

Answer 2

Ovum

Question 3

is the longest cell.

Answer 3

Nerve Cell

Question 4

There are _____ number of muscles in humans.

Answer 4

639

Question 5

What is the life span of RBC?

Answer 5

120 days

Question 6

What is the life span of WBC?

Answer 6

2-15 days

Question 7

The number of ribs in a human body is _____.

Answer 7

24

Question 8

Hormones are produced by

Answer 8

Endocrine glands

Question 9

Which is the largest blood vessel in the body?

Answer 9

Aorta

Question 10

Which of the following carries impure blood?

Answer 10

Pulmonary artery

Question 11

What is the Ph value of human blood?

Answer 11

7.40

Question 12

The rarest blood group is __.

Answer 12

AB negative

Question 13

The metal present in the chlorophyll is

Answer 13

Magnesium

Question 14

The number of Chromosomes in the human gene is

Answer 14

46

Question 15

Which of the following acid present in Vinegar?

Answer 15

Acetic Acid

Question 16

The longest and largest bone in the human body is

Answer 16

Femur

Question 17

Which blood vessels have the smallest diameter?

Answer 17

Capillaries

Question 18

Which of the following hormones is a steroid?

Answer 18

Estrogen

Question 19

How many bones are present in human ear

Answer 19

6

Question 20

normal blood pressure for humans

Answer 20

120/80mm hg

Question 21

largest gland

Answer 21

liver

Question 22

The hardest part of the human body

Answer 22

enamel

Question 23

Types of tooth present

Answer 23

4

Question 24

Gland that controls BP

Answer 24

Adrenal

Question 25

How many temporary teeth are in humans

Answer 25

20

Question 26

Which gland in the body is both exocrine and endocrine

Answer 26

pancreas

Question 27

Muscles in human body

Answer 27

639

Question 28

bones and teeth are made of

Answer 28

tricalcium phosphate

Question 29

The hormone that stimulates heart beat is

Answer 29

Thyroxine

Question 30

Decoding and interpretation of visual information

in brain is associated with

Answer 30

Temporal lobe

Question 31

DNA stands for .

Answer 31

Deoxy ribonucleic Acid

Question 32

Turmeric is obtained from of a Plant.

Answer 32

stem

Question 33

A human skull has number of bones.

Answer 33

22 bones

Question 34

Upper most layer of skin is called?

Answer 34

Epidermis

Question 35

Which part of the Plant body acts as the carrier of food and other substances to all its parts?

Answer 35

Phloem

Question 36

The process of cell division is known as –

Answer 36

Mitosis

Question 37

Which salt is found in bone in largest amount

Answer 37

Calcium

Phosphate

Question 38

invert sugar

Answer 38

sucrose

Question 39

kitchen of cell

Answer 39

chloroplast

Question 40

bones in human

Answer 40

206

Question 41

The branch of biology which deals with the study of cell is called

Answer 41

Cytology

Question 42

DNA was discovered by.

Answer 42

James d Watson

Question 43

The chambers which receive the blood from body tissues are called

Answer 43

auricles

Question 44

The Chamber of the heart that pumps blood to body tissue is called

Answer 44

Ventricles

Question 45

Normal heart beat at rest is about

Answer 45

70 to 72 per minute