MCQ Practice Test -Chapter7-Structural Organisation In Animals

Instruction

Total Questions : 20

Total time :20 min

Total Marks : 20 x 3 = 60 Marks

Each Correct Question carries : 3 Marks

Each incorrect Question Carries : -1 Marks

Each Unattempted Question carry : 0 Marks

Be careful On Negative Markings

Choose the correct answer from the allternatives given.

How many pairs of spiracles are found in cockroach?

1 pair in thorax and 8 pairs in abdomen

2 pairs in thorax and 8 pairs in abdomen

2 pairs in thorax and 6 pairs in abdomen

3 pairs in thorax and 8 pairs in abdomen

None

Smooth muscles are found in all the sites mentioned below except:

Alimentary tract

Oviduct

Uterus

External muscle of the eye ball

None

Nephridiopores present over the body of earthworm belong to

Pharyngeal nephridia

Septal nephridia

Integumentary nephridia

Peptonephridia

None

In Pheretima, there are red coloured round bodies in 4th, 5th and 6th segments above the alimentary canal. They are believed to be involved in

reproduction

leucocyte production.

respiration

digestion

None

Endocrine glands of insects which secrete juvenile hormone are

Corpora myecaena

Corpora albicans

All the above

Corpora allata

None

Ocelli or fenestrae of Cockroach take part in

Perception of temperature

Perception of light

Sight

Perception of humidity

None

In the blood circulation of Pheretima, the blood collected by lateral oesophageal blood vessel flows into supra oesophageal blood vessels through

Lateral oesophageal hearts and ring vessels

Lateral hearts and anterior loops

Anterior loops and ring vessels

Lateral hearts and commissural blood vessels

None

Choose the correct answer from the allternatives given.

What is the anterior pair of wings called in cockroach?

Cerci

Sternum

Elytra

Tergum

None

Which pair of spiracles are borne dorsolaterally over the tergum instead of pleura

Second thoracic

First thoracic

Second abdominal

First abdominal

None

10.

Select the correct option:

In the mouth parts of a cockroach, the labium forms _______ (i) while _____ (ii) acts as a tongue.

(i)- upper lip; (ii)- hypopharynx

(i)- upper lip; (ii)- maxilla

(i)- lower lip; (ii)- hypopharynx

(i)- lower lip; (ii)- maxilla

None

11.

Match the following. Identify the correct match between Set-I and Set-II.

Set-I	Set-II
A) Caloreceptors	I) Cold receptors
B) Proprioceptors	II) Body surface receptors
C) Frigidoreceptors	III) Heat receptors
D) Exteroceptors	IV) Receptors found in muscles

A- III, B- IV, C- I, D- II

A- I, B- II, C- III, D- IV

A- III, B- IV, C- II, D- I

A- IV, B- III, C- II, D- I

None

12.

7-8 finger like blind tubules open into anterior part of midgut of Cockroach. They are

None of these

Intestinal caeca

Malpighian tubules

Hepatic caeca

None

13.

In cocroach elytra are articulated to the tergites of

Mesothorax

Metathorax

Abdomen

Prothorax

None

14.

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of

Calcium carbonate

Urea

Potassium urate

Ammonia

None

15.

Select the correct option:

Match column I with column II and select the correct option from the codes given below:

Column I (Parts of alimentary canal of earthworm)	Column II (Respective segments)
(A) Buccal cavity	(i) 1-3
(B) Pharynx	(ii) 3-4
(C) Oesophagus	(iii) 5-7
(D) Gizzard	(iv) 8-9
(E) Stomach	(v) 9-14
(F) Intestine	(vi) 15 to last
(G) Typhlosole	(vii) 26-35

A- (i); B- (iii); C- (ii); D- (v); E- (iv); F- (vii); G- (vi)

A- (i); B- (ii); C- (iii); D- (v); E- (iv); F- (vi); G- (vii)

A- (i); B- (ii); C- (iii); D- (iv); E- (v); F- (vi); G- (vii)

A- (i); B- (iii); C- (ii); D- (iv); E- (v); F- (vii); G- (vi)

None

16.

Typhlosole of Earthworm is a device for

Increasing absorptive area

Extra secretion of digestive enzymes

Slowing down passage of food

Crushing of food

None

17.

One very special feature in the earthworm (Pheretima) is that

Fertilization of eggs occurs inside the body

The typhlosole greatly increases the effective absorption area of the digested food in the intestine

It has a long dorsal tubular heart.

The S-shaped setae embedded in the integument are the defensive weapons used against the enemies

None

18.

Which of the following blood vessels in earthworm is both collecting as well as distributing?

Dorsal vessel

Sub neural vessel

Ventral vessel

Lateral oesophageal vessel

None

19.

In voluntary muscle movement, which of the following process occurs only if ATP is present?

Myosin to bind to actin

Myosin becoming separated from actin

Tropomyosin to bind to troponin

Tropomyosin to become separated from troponin

None

20.

Which of the following statements is incorrect about the frog?

(i) Eyes are bulged out and covered by a nicitating membrane that protects them while in water.

(ii) On either side of the eyes a membranous tympanum (ear) receives sound signals.

(iii) The hind limbs end in four digits and they are larger and muscular than fore limbs that end in five digits.

(iv) Feet have webbed digits that help in swimming.

(v) Frogs exhibit sexual dimorphism

(i) and (v)

(iv) only

(iii) only

(ii) and (iii)

None

Chapter 5 Morphology of Flowering Plants

Chapter6-Anatomy Of Flowering Plants

Chapter7-Structural Organisation In Animals

Instruction

Curriculum

Ncert – Class 11: Biology – Unit -2 -STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS

Chapter 5 Morphology of Flowering Plants

Chapter6-Anatomy Of Flowering Plants

Chapter7-Structural Organisation In Animals

MCQ Practice Test -Chapter7-Structural Organisation In Animals

Instruction