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

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

Intestinal caeca

Malpighian tubules

None of these

Hepatic caeca

None

Choose the correct answer from the allternatives given.

What is the anterior pair of wings called in cockroach?

Elytra

Tergum

Sternum

Cerci

None

Choose the correct answer from the allternatives given.

How many pairs of spiracles are found in cockroach?

3 pairs in thorax and 8 pairs in abdomen

1 pair in thorax and 8 pairs in abdomen

2 pairs in thorax and 6 pairs in abdomen

2 pairs in thorax and 8 pairs in abdomen

None

Endocrine glands of insects which secrete juvenile hormone are

All the above

Corpora allata

Corpora myecaena

Corpora albicans

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

digestion

reproduction

leucocyte production.

respiration

None

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- (iv); E- (v); 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- (v); E- (iv); F- (vii); G- (vi)

None

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

(iv) only

(iii) only

(i) and (v)

(ii) and (iii)

None

Typhlosole of Earthworm is a device for

Crushing of food

Slowing down passage of food

Increasing absorptive area

Extra secretion of digestive enzymes

None

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

Fertilization of eggs occurs inside the body

It has a long dorsal tubular heart.

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

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

None

10.

Nephridiopores present over the body of earthworm belong to

Pharyngeal nephridia

Peptonephridia

Integumentary nephridia

Septal nephridia

None

11.

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

External muscle of the eye ball

Oviduct

Alimentary tract

Uterus

None

12.

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

Anterior loops and ring vessels

Lateral hearts and anterior loops

Lateral oesophageal hearts and ring vessels

Lateral hearts and commissural blood vessels

None

13.

In cocroach elytra are articulated to the tergites of

Prothorax

Metathorax

Mesothorax

Abdomen

None

14.

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

Ventral vessel

Dorsal vessel

Lateral oesophageal vessel

Sub neural vessel

None

15.

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

Tropomyosin to bind to troponin

Myosin to bind to actin

Myosin becoming separated from actin

Tropomyosin to become separated from troponin

None

16.

Select the correct option:

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

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

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

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

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

None

17.

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

First thoracic

First abdominal

Second thoracic

Second abdominal

None

18.

Ocelli or fenestrae of Cockroach take part in

Perception of humidity

Perception of temperature

Sight

Perception of light

None

19.

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

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

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

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

None

20.

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

Calcium carbonate

Urea

Ammonia

Potassium urate

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