FSC Biology Book MCQs Chapter 2 Class 12

Created on March 02, 2022

Biology Ch 2 Class 12 Support and Movement

1 / 63

Pectoral fins are enlarged in:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

A) Whales

B) Sharks

C) Skates

D) Plaice

2 / 63

Gibberellins is an example of

Growth inhibitor

Growth stimulator

Growth hormone

None of these

3 / 63

The multinucleated mass of the bone-breaking cells is called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

A) Osteoclasts

B) Osteoblasts

C) Osteogenesis

D) Osteocytes

4 / 63

Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of:

Chemotropic movement

Chemotactic movement.

Chemosastic movement

. Haptonastic movement.

5 / 63

Ecdysone is

An enzyme that digest endocuticle during an arthropodal ecdysis.

A newly formed exoskeleton in authropods

A hormone that regulates moulting in arthropods.

A process that involves moulting.

6 / 63

Joints found at the vertebrates are:

NTS 2014
Biology
Support and Movement
Elimination Tool:

A) gliding joints

C) partially moveable joints

B) sliding joints

D) fixed joints

7 / 63

Type of sclerenchyma cells found in seed coats are:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

A) Fibers

B) Tracheids

C) Sclereids

D) Vessels

8 / 63

The radius and ulna join at the wrist with the _____ small carpal bones.

NTS 2016 SMBBMC
Biology
Support and Movement
Elimination Tool:

A) 4

B) 6

C) 7

D) 8

9 / 63

How many metacarpals are present In the hand?

NTS 2013
Biology
Support and Movement
Elimination Tool:

A) 4

B) 3

C) 6

D) 5

10 / 63

When a physician elicits the knee-jerk reflex by tapping deep tendons in the knee, the normal response is for the lower leg to swing forward. When this happens:

NTS 2013
Biology
Support and Movement
Elimination Tool:

A) Muscles in the front of the thigh are contracting and muscles in the back of the thigh are relaxing

B) Muscles in the front of the lower leg are contracting and muscles in the back of the lower leg are relaxing

C) Muscles in the back of the thigh are contracting and muscles in the front of the thigh are relaxing

D) Muscles in the back of the lower leg are contracting and muscles in the front of the lower leg are relaxing

11 / 63

Muscle fiber has many _____ and in turns these have many ______.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

A) Myofibrils; sarcomeres

B) Myofibrils; thin filaments

C) Myosin; thin filaments

D) Myosin; sarcomeres

12 / 63

Scapula is the bone of the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Skull

B) Pelvic girdle

D) Vertebral column

C) Pectoral girdle

13 / 63

Many _______ expel a large amount of water by special structures called contractile vacuoles:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

A) Protozoa

B) Porifera

C) Echinoderm

D) Fish

14 / 63

The significant flight muscle in birds is the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Pectoral

B) Tensor

C) Appendicular

D) All of these

15 / 63

Which one of the following are “myogenic” type of muscles?

PMC 2020
Biology
Support and Movement
Elimination Tool:

A) Glandular muscles

B) Cardiac muscles

C) Skeletal muscles

D) Smooth muscles

16 / 63

Which vertebrae together are called pelvic vertebrae?

NUMS 2020
Biology
Support and Movement
Elimination Tool:

A) Coccygeal and lumbar

B) Sacral and lumbar

C) Sacral and coccygeal

D) Sacral and thoracic

17 / 63

Which one of the following forms the blk of exoskeleton of an arthropod?

Epicuticle

Procuticle

Ectocuticle

None of these

18 / 63

Movement of the Hip joint is which type of synovial joints?

NUMS 2018
Biology
Support and Movement
Elimination Tool:

A) Gliding joint

B) Ball and socket joint

D) Hinge joint

C) Pivot joints

19 / 63

The muscles attached to the bones are:

NTS 2010
Biology
Support and Movement
Elimination Tool:

A) Voluntary and smooth

B) Involuntary and smooth

D) Involuntary and striated

C) Voluntary and striated

20 / 63

Endoskeleton is secreted by:

Ectoderm

Endoderm

Mesoderm

All of these

21 / 63

The process of cartilage formation is known as:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Chondrioblasts

B) Chondriocutosis

C) Chondrogenesis

D) None of these

22 / 63

Dermal and denticle scales of fishes are called:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

A) Placoid scales

B) Ganoid scales

C) Ctenoid scales

D) Cycloid scales

23 / 63

Unpaired facial bones are:

NUMS 2018
Biology
Support and Movement
Elimination Tool:

A) Maxilla, Zygomatic

B) Palatine, Inferior concha

C) Nasal, Lacrimal

D) Mandible, Vomer

24 / 63

Identify the bones in which the connecting joints are freely movable joints?

NTS 2015 DUHS and JSMU
Biology
Support and Movement
Elimination Tool:

A) Ankle

B) wrist

C) vertebrae

D) elbow

E) all of the above

25 / 63

Which of the following statement about an arthropod exoskeleton is incorrect?

It permits gaseous exchange.

It contains joints, for the same purpose as present in human skeletal system.

It provides muscle attachment.

Like all the other types of exoskeleton, they lack sensation.

26 / 63

The movement of plants in response to touch stimulus is called:

NTS 2012
Biology
Support and Movement
Elimination Tool:

A) Hydrotropism

B) Chemotropism

C) Geotropism

D) Thigmotropism

27 / 63

Which of the following animal has a hydrostatic skeleton:

Earthworm

Round worm

Tape worm.

Pin worm

28 / 63

The number of muscles in a human body is about:

NTS 2012
Biology
Support and Movement
Elimination Tool:

A) 200

B) 300

C) 400

E) 600

29 / 63

The number of vertebrate in horse neck are:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) 5

B) 6

C) 7

D) 10

30 / 63

Select a sessile zooflagellate:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

A) Trichonympha

B) Trypanosoma

C) Choanoflagellate

D) Euglena

31 / 63

Poliomyelitis normally affects the:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Legs

B) Brain

C) Spinal cord

D) Both B and C

32 / 63

Secondary cell wall of sclerenchyma cells is impregnated with

Cellulose

Peptidoglycan and murein.

Lignin

Pectin

33 / 63

Molluscs have an exoskeleton made up of:

NTS 2016 DUHS & JSMU
Biology
Support and Movement
Elimination Tool:

A) Protein

B) Silica

D) Cuticles

C) CaCO3

34 / 63

Muscles that are attached to bones and have voluntary movements are termed as ______ muscles.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

A) Cardiac

B) Smooth

C) Skeletal

D) Hard

35 / 63

Pick the mismatched pair for birds:

NUMS 2015
Biology
Support and Movement
Elimination Tool:

A) Air spaces – lighter body

B) Pectoral muscles – strong pull of wings

C) Urinary bladder – producing semisolid urine

D) Keel – attachment of muscles

36 / 63

Hinge joint occurs in:

NTS 2015 SMBBMC
Biology
Support and Movement
Elimination Tool:

A) Elbow

B) Skull

C) Ankle

D) Backbone

37 / 63

Bones of the skull are joined by:

NTS 2011
Biology
Support and Movement
Elimination Tool:

A) Fixed joints

B) Sliding joints

C) Pivot joints

D) Hinge joints

38 / 63

Which of the following bones are present in the palm of the hand:

NTS 2010
Biology
Support and Movement
Elimination Tool:

A) Carpals

B) Metacarpals

C) Phalanges

D) Tarsal

39 / 63

Which of the following statement is incorrect about Molluscans?

They are surrounded by single or double pieces of hard skeleton.

Their shell grows as the animal grows.

They have hydrostatic skeleton

They move by tube feet

40 / 63

Tendon is made up of:

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Yellow fibrous connective tissue

B) Modified white fibrous tissue

C) Areolar tissue

D) Adipose tissue

41 / 63

Myofibrils, within the muscle fibers, contain thick and thin filaments made up of _____ and ______ respectively:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

A) Myosin and Actin

B) Globulin and Albumin

C) Troponin and Tropomyosin

D) Fibrin and Fibrinogen

42 / 63

Vascular Cambium initially appears as actively dividing cells between:

Primary Xylem and secondary xylem.

Primary xylem and secondary phloem

Primary xylem and primary phloem

Secondary xylem and secondary phloem

43 / 63

Higher turgor pressure in a plant cell is maintained by:

Large number of vacoules in a plant cell.

Higher ionic concentration inside vacuoles resulting from active pumping of ions at their tonoplastic membrane

Higher osmotic pressure of the cell vacuole

both b and c

44 / 63

Pivot joint exists between

NUMS 2014
Biology
Support and Movement
Elimination Tool:

A) Tibia and fibula

C) Humerus and scapula

B) Humerus and ulna

D) Ulna and radius

45 / 63

Exoskeleton of a marine snail is composed of

CaPO4

CaCO3

CaSO4

SiO2

46 / 63

Which one of the following muscles are considered as “Voluntary muscles”?

PMC 2020
Biology
Support and Movement
Elimination Tool:

A) Smooth muscles

B) Cardiac muscles

C) Skeletal muscles

D) Glandular muscles

47 / 63

Growth movement caused in response to gravitational stimulus is called:

NTS 2011
Biology
Support and Movement
Elimination Tool:

A) Nutation

B) Geotropism

C) Nastic movement

D) Tropic movement

48 / 63

An increrase in plant girth due to activity of _____ is called secondary growth.

Cork cambium

Pith

Vascular cambium

Both a and c

49 / 63

In presence of muscle contraction, ______ is brought closer, _____ shortens and ______ disappears.

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

A) Z – line, H – zone, I – band

B) I – band, Z – line, H – zone

C) Z – line, I – band, H – zone

D) H – zone, I – band, Z – line

50 / 63

Pseudopodia are:

NTS 2016 DUHS & JSMU
Biology
Support and Movement
Elimination Tool:

A) False feet developed in some unicellular organisms

B) Small hairlike structures present on the unicellular organisms

C) Long, like structures coming out of the mouth

D) Suckers which are attached to the walls of intestines

51 / 63

The plants having thick cuticle, needle like reduced leaves and sunken stomata are termed as:

NUMS 2019 Reconduct
Biology
Support and Movement
Elimination Tool:

A) Hydrophytes

B) Neophytes

C) Mesophytes

D) Xerophytes

52 / 63

Roots of a plant show

Positive phototropism and negative geotropism.

Negative phototropism and positive geotropism.

Negative tactic movement and positive tropic movement.

Positive geotropism of stem and roots

53 / 63

Number of bones in the skull:

NUMS 2016
Biology
Support and Movement
Elimination Tool:

A) 22

B) 26

C) 24

D) 28

54 / 63

In an annelids, the contraction of circular muscle results in:

Lengthening of the body.

Shortening of the body.

Widening of body

Thinning of body

55 / 63

Epinasty is controlled by

Gibberellins

Abscisins

Auxins

Cytokinins

56 / 63

When the muscle is required to contract, calcium ion binds with ______ molecule and causes them to move slightly.

NUMS 2019 Cancelled
Biology
Support and Movement
Elimination Tool:

A) Actin

B) Myosin

C) Troponin

D) Tropomyosin

57 / 63

Rapid movement of leaves of mimosa on touching is an example of :

Turgor movement

Nastic movement

Tropic movements.

Growth movement

58 / 63

Among the followings which is the most longest supportive cell?

Tracheids

Sclereids

Trachea

Collenchyma cells

59 / 63

Vertebrae of the neck are called:

NUMS 2020
Biology
Support and Movement
Elimination Tool:

A) Coccygeal vertebrae

B) Cervical vertebrae

C) Sacral vertebrae

D) Lumbar vertebrae

60 / 63

The place of attachment of leaf with the shoot is called:

Pith

Pit

Pulvinus

Ecdysone

61 / 63

Which of the following plays the major role in providing support to young herbaceous parts of the plant:

Living cells of epidermis with higher turgor pressure.

Living cells of cortex and pith with higher turgor pressure.

Collenchyma cells

All of these

62 / 63

Which of the following sets of bones does not included in the axial skeleton?

NUMS 2019 Cancelled
Biology
Support and Movement
Elimination Tool:

A) Cranium and facial bones

B) Sternum, ribs, vertebrae

C) Lumbar, Thoracic and pelvic bones

D) Pectoral girdles, pelvic girdle, and appendages

63 / 63

Skeleton of arms and legs is:

NUMS 2018
Biology
Support and Movement
Elimination Tool:

A) Exoskeleton

B) Endoskeleton

C) Axial skeleton

D) Appendicular skeleton

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FSC Biology Book MCQs Chapter 2 Class 12

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