Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following bone is not present in the hind-limb?

A. Femur
B. Tibia
C. Radius
D. Fibula
Answer» D. Fibula
2.

Insertion of Biceps is on_________?

A. Ulna
B. Radius
C. Olecronon process of ulna
D. Scapula
Answer» C. Olecronon process of ulna
3.

Which of the following muscle is an antagonistic member of Biceps brachii?

A. Bracheoradialis
B. Brachialis
C. Intercostals
D. Triceps
Answer» E.
4.

How many bones are present in the wrist?

A. 4 bones
B. 6 bones
C. 8 bones
D. 14 bones
Answer» D. 14 bones
5.

Which of the following statement is incorrect regarding the locomotion in Euglena?

A. Move with the help of flagellum, attached to the anterior pole of the body.
B. Flagellum whipping backwards moving the organism forward, and when moves forward the organism moves backward.
C. Myonemes can change the direction of the body by making it to shorten from anterior to the posterior pole.
D. None of these
Answer» C. Myonemes can change the direction of the body by making it to shorten from anterior to the posterior pole.
6.

How many vertebrae are in sacrum?

A. 7
B. 12
C. 5
D. 4
Answer» D. 4
7.

Which of the following is the swiftest form of the locomotion?

A. Plantigrade
B. Digitigrade
C. Unguligrade
D. Hopping
Answer» D. Hopping
8.

Which of the following pairs of fins in a fish body are paired?

A. Dorsal and ventral
B. Pectoral and Pelvic
C. Tail and anal
D. All of these
Answer» C. Tail and anal
9.

How many vertebrae are present in thoracic region?

A. 7
B. 12
C. 5
D. 4
Answer» C. 5
10.

Among the following organisms which shows the best adaptations for locomotion?

A. Amoeba
B. Earthworm
C. Reptiles
D. Amphibians
Answer» D. Amphibians
11.

How many vertebrae are present in lumbar region?

A. 7
B. 12
C. 5
D. 4
Answer» D. 4
12.

There are __________ types of nutrients needed by plants besides light to carry out photosynthesis

A. Two
B. Three
C. Four
D. Five
Answer» C. Four
13.

S-band locomotion is characteristically seen in___________?

A. Bony fish
B. Cartilaginous fish
C. Fish like mammals
D. All fishes
Answer» C. Fish like mammals
14.

The site/s where most of the uptake of water and minerals take place is/are__________?

A. Root hairs
B. Root cells
C. Underground stem
D. All of these
Answer» B. Root cells
15.

Which of the following bones are present in pectoral girdle?

A. Clavicle
B. Scapula
C. Both of these
D. None of these
Answer» D. None of these
16.

It is the measure of force with which blood pushes up against the walls of blood vessels.

A. Stroke volume
B. Cardiac output
C. Blood pressure
D. Blood flow
Answer» D. Blood flow
17.

The uptake of water in plants involves__________?

A. Active transport
B. Passive transport
C. Both of these
D. None of these
Answer» C. Both of these
18.

Active transport is dependent on____________?

A. Photosynthesis
B. Respiration
C. Photophosporylation
D. None of these
Answer» C. Photophosporylation
19.

The diffusion of ions along with water also takes place by mass flow system along the ________ path?

A. Tonoplast
B. Apoplast
C. Symplast
D. Vacuolar
Answer» C. Symplast
20.

The membrane of vacuoles is known as__________?

A. Vacuoloplast
B. Tonoplast
C. Tanoplast
D. All of these
Answer» C. Tanoplast
21.

In plants, the neighbouring cells are connected with one another by__________?

A. Plasmodesmata
B. Cell walls
C. Vacuoles
D. Both ‘A’ & ‘B’
Answer» E.
22.

___________ component of cell wall has grreat affinity with water?

A. Lignin
B. Cellulose
C. Pectin
D. All of these
Answer» E.
23.

All of the follwing are blood clots except:___________?

A. Thrombus
B. Embolus
C. Atheroma
D. Hematoma
Answer» D. Hematoma
24.

___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?

A. Osmotic
B. Pressure
C. Both of these
D. None of these
Answer» B. Pressure
25.

The movement of water molecules from a region of higher water potential to a region of lower water potential (through membrane)

A. Deffusion
B. Osmosis
C. Active transport
D. None of these
Answer» C. Active transport
26.

Which of the following have thickest walls?

A. Arteries
B. Veins
C. Capillaries
D. None of these
Answer» B. Veins
27.

Commonly in other plants than tall ones the speed of upward movement of water is____________?

A. 8mh-1
B. 1 mh-1
C. 7 mh-1
D. 4 mh-1
Answer» C. 7 mh-1
28.

Cuticular transpiration is _________ of total transpiration?

A. 6-8%
B. 5-7%
C. 7-9%
D. 4-6%
Answer» C. 7-9%
29.

Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?

A. 600 Kpa
B. 800 Kpa
C. 1000 Kpa
D. 900 Kpa
Answer» C. 1000 Kpa
30.

A pressure created by active secretion of salts and other solutes from other cells into xylem sap is called___________?

A. Transpiration pull
B. Root pressure
C. Osmotic pressure
D. None of these
Answer» C. Osmotic pressure
31.

QRS complex represents____________?

A. Atrial systole
B. Ventricular systole
C. Atrial diastole
D. Ventricular diastole
Answer» C. Atrial diastole
32.

Pulling upward of water and dissolved minerals towards the leaves through the xylem tissue is called__________?

A. Transpiration pull
B. Root pressure
C. Ascent of sap
D. All of these
Answer» B. Root pressure
33.

Tricuspid valve is present_____________?

A. Between right atrium and right ventricle
B. Between left atrium and left ventricle
C. At base of pulmonary artery
D. At base of aorta
Answer» B. Between left atrium and left ventricle
34.

_________ give rise to macrophages, which destroy larger particles by phagocytosis.

A. Nautrophils
B. Basophila
C. Monocyte
D. Lymphocyte
Answer» D. Lymphocyte
35.

___________ function as multisensory hydraulic valve?

A. Lenticels
B. Guard cells
C. Hydathods
D. All of these
Answer» C. Hydathods
36.

Stomatal transpiration is __________ of total transpiration

A. 90%
B. 91%
C. 93%
D. 95%
Answer» B. 91%
37.

The opening and closing of stomata is directly controlled by the___________?

A. Temperature
B. pH
C. Light
D. None of these
Answer» D. None of these
38.

Which of the following fishes excrete large volume of diluted urine?

A. Bony Marine fishes
B. Fresh water fishes
C. Both depending upon the surrounding water
D. None of these
Answer» C. Both depending upon the surrounding water
39.

Addition of salts and other solutes from other cells into xylem sap, __________ the water potential of the xylem sap

A. Increases
B. Lowers
C. Doesn’t effect
D. Maintains
Answer» C. Doesn’t effect
40.

There are _________ hypothesis which may explain opening and closing of stomata?

A. One
B. Two
C. Three
D. Four
Answer» C. Three
41.

Low level of CO2 favours _________ of the stomata.

A. Opening
B. Closure
C. Both of these
D. None of these
Answer» B. Closure
42.

Single circuit heart is found in_________?

A. Fishes
B. Amphibians
C. Reptiles
D. Mammals
Answer» B. Amphibians
43.

Symbionts which help plants in uptake of phosphorous and trace metals such as zinc and copper.

A. Bacteria
B. Viruses
C. Fungi
D. Cyanobacteria
Answer» D. Cyanobacteria
44.

Fishes, most of the invertebrates and amphibians are examples of ________ animals?

A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms
Answer» C. Heterotherms
45.

The mechanism of regulation, generally between organism and its environment, of solutes and the gain and the loss of water is called________?

A. Homeostasis
B. Hemostasis
C. Osmoregualtion
D. Thermoregulation
Answer» D. Thermoregulation
46.

Amount of water required to excrete 1gN of Urea is_________?

A. 1 ml
B. 50 ml
C. 100 ml
D. 150 ml
Answer» C. 100 ml
47.

Which of the following represents osmoregulatory steps taken by hydrophytes?

A. Increases transpiration by increasing the surface area of the leave
B. Small and thick leaves to decrease the surface area proportional to the volume of the leave
C. Stomata closing in sufficient supply, and opening in restricted supply of water
D. None of these
Answer» B. Small and thick leaves to decrease the surface area proportional to the volume of the leave
48.

Which of the following marine fishes are considered direct descendents of fresh water ancestors?

A. Hagfish
B. Jelly Fish
C. Star Fish
D. Bony fishes
Answer» E.
49.

The main nitrogenous waste formed in the body of earthworm is/are___________?

A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide
Answer» C. Uric acid
50.

Each ach nephridium of earthworm opens to the exterior by__________?

A. Nephrostome
B. Nephridiopore
C. Flame cell
D. Anus
Answer» C. Flame cell