Explore topic-wise MCQs in Biology.

This section includes 149 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

51.

Isletes of langerhans is situated in

A. Spleen
B. Brain
C. Pancreas
D. Liver
Answer» D. Liver
52.

Number of valve found in human heart

A. 4
B. 3
C. 2
D. 1
Answer» B. 3
53.

Consider the following
1. Blood
2. Bone
3. Ligaments
4. Tendons
Which of these are connective tissue ?

A. 1, 2, 3 and 4
B. 1 and 2
C. 1, 3 and 4
D. 3 and 4
Answer» B. 1 and 2
54.

Corpus luteum is a mass of cells found in

A. Brain
B. Ovary
C. Pancreas
D. Spleen
Answer» C. Pancreas
55.

Which one of the following is considered as the easily digestable source of protein?

A. Egg albumin
B. Soyabean
C. Fish flesh
D. Red meat
Answer» C. Fish flesh
56.

Name the Vitamin not found in any animal food

A. Vitamin b
B. Vitamin C
C. Vitamin D
D. Vitamin K
Answer» C. Vitamin D
57.

Weight of human brain in gram is

A. 1350
B. 1230
C. 1100
D. 1300
Answer» B. 1230
58.

Bile is stored in

A. Mouth
B. Liver
C. Gall bladder
D. Stomach
Answer» D. Stomach
59.

Insulin is discovered by

A. Linak
B. Banting and Best
C. Jenner
D. Waksman
Answer» C. Jenner
60.

Thickest layer of skin is found on/in

A. Sole
B. Palm
C. Thigh
D. Head
Answer» B. Palm
61.

Which one of the following enzyme is found in human saliva?

A. Pepsin
B. Ptyalin
C. Renin
D. Erepsin
Answer» C. Renin
62.

Which part became modified as the tusk of elephant by

A. Canine
B. Premolar
C. Second incisor
D. Mular
Answer» D. Mular
63.

Tear of man have a enzyme, which kill the bacteria

A. Amylase
B. Urease
C. Lysozyme
D. Ptylin
Answer» D. Ptylin
64.

Blood bank of human body is

A. Spleen
B. Pancrease
C. Gall bladder
D. None of these
Answer» B. Pancrease
65.

Normal temperature of human body on kelvin scale is

A. 280
B. 290
C. 300
D. 310
Answer» E.
66.

If the radius of blood vessels decrease the blood pressur will

A. Increase
B. Decrease
C. Remain same
D. Increase in male but decrease in female
Answer» B. Decrease
67.

Estrogen is secreted by

A. Corpus Iuteum
B. Corpus callosm
C. Lyding cells
D. Gaffican follicle
Answer» E.
68.

Amount of light entering into the eye is controlled by

A. Cornea
B. Choroid
C. Retina
D. Iris
Answer» E.
69.

The number of essential amino acid found in man is

A. 15
B. 20
C. 30
D. 40
Answer» C. 30
70.

A person feel fatigued due to deposition of a acid in colour differentitation

A. Cones
B. Rods
C. Cornea
D. Choroid
Answer» B. Rods
71.

Which one of the following is hormone?

A. RNA
B. Insuline
C. Invertage
D. Ascorbic acid
Answer» C. Invertage
72.

Weight of animal body is mostly the weight of

A. Water
B. Blood
C. Bone
D. Tissue
Answer» B. Blood
73.

In whole body mass the percentage of blood is

A. 8%
B. 9%
C. 10%
D. 11%
Answer» C. 10%
74.

male sex hormone is

A. Adrenalen
B. Progestron
C. Testosterone
D. FSH
Answer» D. FSH
75.

Life saving hormone is

A. Adernal
B. Pituitary
C. Thyroid
D. All of them
Answer» B. Pituitary
76.

Myoglobin contain the metal

A. Copper
B. Silver
C. Gold
D. Iron
Answer» B. Silver
77.

The hardest part of human body is

A. Bone
B. Palaque
C. Enamel
D. Skull
Answer» D. Skull
78.

The tracking of people by trained dogs is based on the recognition of which of the following compound in the sweat from feet?

A. Carboxylic acids
B. Uric acid
C. Sugar
D. Salt
Answer» B. Uric acid
79.

In human body, what is the number of cervical vertebrae

A. 5
B. 7
C. 8
D. 12
Answer» C. 8
80.

Which of the following gland is responsible for the secretion of insulin?

A. Pituitary
B. Pineal
C. Thymus
D. Pancrease
Answer» E.
81.

Which of the following is a good source of Vitamin 'E'?

A. Meat
B. Ghee
C. Yellow Yolk
D. Fresh vegetable
Answer» E.
82.

Which of the following controls blood pressure?

A. Parathyroid
B. Thyroid
C. Thymous
D. Adrenal
Answer» E.
83.

Which of the following harmone is called emergency hormone?

A. Insulin
B. Adrenalin
C. Estrogen
D. Oxytocin
Answer» C. Estrogen
84.

Consider the following statements
1. The narvous tissues in human body contain phosphrous.
2. In nature, shlphur always occurs in combined state
Which of the statement given above is / are correct?

A. 1 only
B. 2 only
C. both 1 and 2
D. Neither 1 and 2
Answer» E.
85.

In human body, which one of following harmones regulate blood calcium and phosphate?

A. Glucagon
B. Growth hormone
C. Parathyroid hormone
D. Thyroxine
Answer» D. Thyroxine
86.

Which Phenomenon do bats or dolphins use to find prey, predators or obstacles?

A. Refraction of sound
B. Formation of beats
C. Scattering of sound
D. Echo location
Answer» E.
87.

Assertion (A): Drinking of whisky increases the frequency of urination.
Reason (R): Alcohal intake speed up the secretion of vasopressin in the body.
Codes

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
Answer» B. Both A and R are true but R is not a correct explanation of A
88.

Consider the following statements
1. In birds, heart is four chambered
2. In reptiles, respiration is done through skin
3. Earth worm are harmaphrodites
Which of the statements given above is / are correct?

A. 1 and 2
B. 1 and 3
C. 3 only
D. 1, 2 and 3
Answer» C. 3 only
89.

With reference to normal human beings, consider the following statemnts
1. In response to the presence of HCI, secretin is produced from the duodenum.
2. Enterogastrone in produced in the small intestine in response to the presence of fatty acid.
Which of theses statements is /are correct?

A. Only 1
B. Only 2
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2
90.

Match List I (Endocrine gland) with List II (hormone secreted) and select the answer
List-IList-II
F.Gonads1.insulin
G.Pituitary2.Progesterone
H.Pancreas3.Growth Hormone
J.Adrenal4.Cortisone
Codes
FGHJ
A.3241
B.2341
C.2314
D.3214

A. A.
B. B.
C. C.
D. D.
Answer» D. D.
91.

Match the hormone in List-I with List-II and select the correct answer using the codes given below
List-IList-II
F.Adrenaline1.Anger, Fear, danger
G.Estrogen2.Attracting partners through senses of small
H.Insulin3.Females
JPheromones4.Glucose
Codes
FGHJ
A.3142
B.1324
C.1342
D.3124

A. A.
B. B.
C. C.
D. D.
Answer» E.
92.

Match List-I with List-II and select the correct, answer using the codes given below
List-IList-II
FAtropine1.Local anesthesia
GEther2.Heart beat
HNitroglycerine3.Dilation of pupil
JPyrethrin4.Mosquito control
Codes
FGHJ
A.1324
B.1342
C.3142
D.3124

A. A.
B. B.
C. C.
D. D.
Answer» E.
93.

Estrogen

A. Corpus Iuteum
B. Corpus callosm
C. Lyding cells
D. Gaffican follicle
Answer» E.
94.

male sex hormone

A. Adrenalen
B. Progestron
C. Testosterone
D. FSH
Answer» D. FSH
95.

Myoglobin

A. Copper
B. Silver
C. Gold
D. Iron
Answer» B. Silver
96.

Which among following is the

A. Elephant
B. Whale
C. Dinosaur
D. Rhinoceros
Answer» C. Dinosaur
97.

Alpha-Keratin

A. Blood
B. Skin
C. Lymph
D. Egg
Answer» C. Lymph
98.

Tear of man have a

A. Amylase
B. Urease
C. Lysozyme
D. Ptylin
Answer» D. Ptylin
99.

Hormone insulin

A. Glycolipid
B. Fatty acid
C. Peptide
D. Sterol
Answer» D. Sterol
100.

An individual whose

A. B or A
B. AB or A
C. A or O
D. AB or B
Answer» E.