Explore topic-wise MCQs in Biology.

This section includes 184 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

51.

Mass of clotted blood in a broken bone is called

A. callus
B. hematoma
C. humus
D. hemorrhage
Answer» C. humus
52.

Technique in which blood is circulated through dialyzer is known as

A. peritoneal dialysis
B. hemodialysis
C. renaldialysis
D. Both a and b
Answer» C. renaldialysis
53.

Cleaning of blood is termed as

A. peritoneal dialysis
B. hemodialysis
C. ectodialysis
D. hypodialysis
Answer» C. ectodialysis
54.

Glomerulus circulates blood via

A. afferent arterioles
B. efferent arterioles
C. afferent venules
D. effernt venules
Answer» D. effernt venules
55.

Cartilaginous joint which is found in a growing bone is called

A. fibrous cartilage
B. synovial cartilage
C. hinge cartilage
D. Hyaline cartilage
Answer» E.
56.

Release of amino group during catabolism of amino acids is called

A. ammunition
B. hydrolysis
C. deamination
D. hydration
Answer» D. hydration
57.

Cells of plants in deficiency of water synthesize large quantities of proteins called

A. lipo proteins
B. heat shock proteins
C. heat protein
D. glycol proteins
Answer» C. heat protein
58.

Axial skeleton and Appendicular skeleton are parts of

A. human skeleton
B. molluscus
C. annelids
D. snail
Answer» B. molluscus
59.

Skull is made up of

A. cranium
B. facial bones
C. cartilage
D. Both a and b
Answer» D. Both a and b
60.

Function of nephridiostome is to collect

A. coelomic fluid
B. collect waste material
C. surround nephridia
D. All of the Above
Answer» B. collect waste material
61.

Homeostasis contributes in evolutionary process by compelling

A. adaptations
B. regeneration
C. erosion
D. fluctuations
Answer» B. regeneration
62.

An animal which can survive in drastic conditions of desert by feeding on seeds of plants containing more carbohydrates is

A. camel
B. Scorpio
C. kangaroo rat
D. None of the Above
Answer» D. None of the Above
63.

There are extensive stomata on upper surface of leaves in

A. geophytes
B. bryophytes
C. hydrophytes
D. xerophytes
Answer» D. xerophytes
64.

Skull, vertebrae, ribs and sternum together make up

A. Appendicular skeleton
B. Axial skeleton
C. Dorsal skeleton
D. Ventral skeleton
Answer» C. Dorsal skeleton
65.

Liver functions are pivotal to

A. homeostasis
B. thermoregulation
C. osmoregulation
D. thalassaemia
Answer» B. thermoregulation
66.

Maintenance of internal temperature with in a tolerable range is called as

A. Osmoregulation
B. thermoregulation
C. homeostasis
D. none of these
Answer» C. homeostasis
67.

Fusion of vertebral joint causing immobility is

A. rickets
B. sciatica
C. spondylosis
D. Arthritis
Answer» D. Arthritis
68.

Cardiac muscles are

A. striated
B. involuntary
C. voluntary
D. Both a and b
Answer» E.
69.

Filtration of blood takes place in

A. Bowman's capsule
B. renal hilus
C. loop of henel
D. distal part
Answer» B. renal hilus
70.

Suspended tubular structures which collect excretory products from hemolymph are called

A. protonephridium
B. metanephridium
C. malphigian tubules
D. exoluticus tubules
Answer» D. exoluticus tubules
71.

Blood of chronic kidney failed patient is purified by passing it through

A. filter
B. pace maker
C. artificial kidney
D. transplanting kidney
Answer» D. transplanting kidney
72.

Bile secretion of liver helps in emulsifying fats in

A. large intestine
B. small intestine
C. stomach
D. rectum
Answer» C. stomach
73.

In brassica, rose and mango plants, stomata open and close according to availability of

A. salts
B. nutrients
C. sunlight
D. water
Answer» E.
74.

Ureter of both kidneys pour urine in to

A. pelvis
B. urinary bladder
C. urethra
D. ureter
Answer» C. urethra
75.

In presence of hypo osmotic body fluids, inhibition occurs in production of hormone

A. antidiuretic
B. diuretic
C. aldosterone
D. adrenaline
Answer» B. diuretic
76.

Protection of internal environment from harms by external environment is termed as

A. thermoregulation
B. homeostasis
C. osmoregulation
D. nerve impulse
Answer» C. osmoregulation
77.

smallest contractile unit of muscle fiber is

A. myofilament
B. fibrils
C. tendons
D. sarcomere
Answer» E.
78.

Arginine is split to form urea by enzyme activity of

A. arginase
B. ornithase
C. caboxylate
D. sulfuricate
Answer» B. ornithase
79.

In restricted supply of water, principal function of body is to conserve

A. salts
B. nutrients
C. oxygen
D. water
Answer» E.
80.

Cervical vertebrae are 7 in number and lie in region of

A. thoracic
B. pelvic
C. neck
D. medulla
Answer» D. medulla
81.

Sudden physical trauma to spine while bending or lifting heavy weight can lead to

A. rickets
B. herniation
C. realignment
D. kwashiorkor
Answer» C. realignment
82.

Juxtamedullary nephrons are specialized for production of

A. urea
B. concentrated urine
C. uric acid
D. ammonia
Answer» C. uric acid
83.

Smooth muscles are not under

A. voluntary control
B. spontaneous control
C. conscious control
D. involuntary control
Answer» B. spontaneous control
84.

In peritoneal dialysis, peritoneal cavity is filled with dialysis fluid through a

A. valve
B. catheter
C. sphincter
D. pump
Answer» C. sphincter
85.

Weight of kidney with respect to total mass of body is by

A. 1%
B. 2%
C. 10%
D. 12%
Answer» B. 2%
86.

Regional temperature differences with in an animal is obtained by

A. vasodilatation
B. vasocontriction
C. Both a and b
D. vasocirculation
Answer» D. vasocirculation
87.

Process of reabsorption of useful constituents is done in

A. distal tubules
B. loop of henel
C. proximal tubules
D. bowman's capsule
Answer» D. bowman's capsule
88.

Harmful chemicals and toxins are disposed off from body by help of

A. lungs
B. kidneys
C. liver
D. All of the Above
Answer» D. All of the Above
89.

Muscles are composed of

A. actin
B. myosin
C. insulin
D. Both a and b
Answer» E.
90.

Vertebral column provides more strength due to 4

A. curvatures
B. frontals
C. appendages
D. burantals
Answer» B. frontals
91.

In juxtamedullary nephrons additional capillaries extends down from loop of henel and termed as

A. vasa recta
B. renal hilus
C. loop of henel
D. distal part
Answer» B. renal hilus
92.

All living things undergo one of essential property to remove waste material is

A. digestion
B. excretion
C. respiration
D. regulation
Answer» C. respiration
93.

Heads joins thick and thin myofilament hence sometimes regarded as

A. cross bridges
B. bridges
C. polypeptide complex
D. A-band
Answer» B. bridges
94.

Best remedy against an osteoporotic bone fracture is

A. Estrogen Replacement Therapy
B. sun exposure
C. surgery
D. realignment
Answer» B. sun exposure
95.

Most common chronic arthritis which degenerates joints is

A. osteoporosis
B. Arthritis
C. cleft palate
D. osteoarthritis
Answer» E.
96.

Elevated temperatures damage metabolism by denaturing

A. proteins
B. enzymes
C. carbohydrates
D. fats
Answer» C. carbohydrates
97.

Detoxification of ammonia to citrulline requires precursor of

A. ornithine
B. arginine
C. creatine
D. glutamine
Answer» B. arginine
98.

Central cavity of kidneys is called as

A. ureter
B. pelvis
C. bladder
D. medulla
Answer» C. bladder
99.

Lower two pairs of ribs are not attached to sternum and called as

A. rising ribs
B. floating ribs
C. hovering ribs
D. hanging ribs
Answer» C. hovering ribs
100.

Ball and socket joint is formed by bone

A. humerus
B. ulna
C. radius
D. phalanges
Answer» B. ulna