NEET Biology Structural Organisation in Animals MCQs Set 06

Multiple Choice Questions (MCQs) for NEET Biology: Animal Tissues

Review structured MCQ sets for NEET Biology Animal Tissues. Built according to official NEET guidelines, these downloadable questions support daily revision and core concept reinforcement.

Practice Animal Tissues MCQs for NEET Biology

View or download the dedicated Animal Tissues MCQ resource below. Practicing these 50 objective questions regularly builds familiarity with standard exam patterns and helps secure higher marks in final Biology evaluations.

Multiple Choice Questions

Question 1: The nerve cord of a cockroach is
(a) single, dorsal and hollow
(b) double, ventral and solid
(c) single, ventral and solid
(d) double, dorsal and hollow
Show Answer & Explanation

Answer: (b) double, ventral and solid

Explanation:
1. Annelids and arthropods have a ventral solid nerve cord, unlike the dorsal tubular cord of chordates.

Teacher's Note:
1. It has ganglia in each segment.

Question 2: The organ of mastication in the mouth parts of cockroach is
(a) maxillae
(b) labium
(c) labrum
(d) mandibles
Show Answer & Explanation

Answer: (d) mandibles

Explanation:
1. Mandibles are hard and chew food.

Teacher's Note:
1. Maxillae and labium help in handling food.

Question 3: Mushroom gland is a part of the
(a) digestive system of cockroach
(b) respiratory system of cockroach
(c) male reproductive system of cockroach
(d) male reproductive system of earthworm
Show Answer & Explanation

Answer: (c) male reproductive system of cockroach

Explanation:
1. It is a large accessory gland in the male cockroach.

Teacher's Note:
1. Collaterial glands secrete the ootheca.

Question 4: The ootheca of a cockroach is secreted by
(a) mushroom gland
(b) spermatheca
(c) Malpighian tubules
(d) collaterial glands
Show Answer & Explanation

Answer: (d) collaterial glands

Explanation:
1. The ootheca contains 14 to 16 eggs.

Teacher's Note:
1. Female genital pouch holds it.

Question 5: The body cavity of cockroach is called
(a) pseudocoel
(b) coelom
(c) blastocoel
(d) haemocoel
Show Answer & Explanation

Answer: (d) haemocoel

Explanation:
1. Open circulation with haemolymph fills the haemocoel.

Teacher's Note:
1. The heart has 13 chambers.

Question 6: Cockroach mainly excretes
(a) urea
(b) uric acid
(c) ammonia
(d) creatinine
Show Answer & Explanation

Answer: (b) uric acid

Explanation:
1. It is uricotelic.

Teacher's Note:
1. Fat body also stores uric acid.

Question 7: By type of metamorphosis, cockroach is
(a) holometabolous
(b) paurometabolous
(c) ametabolous
(d) hemimetabolous with no nymph stage
Show Answer & Explanation

Answer: (b) paurometabolous

Explanation:
1. Cockroach nymphs resemble adults.

Teacher's Note:
1. Nymph moults about 13 times.

Question 8: The functional units of the compound eye of cockroach are
(a) ocelli
(b) rhabdoms only
(c) halteres
(d) ommatidia
Show Answer & Explanation

Answer: (d) ommatidia

Explanation:
1. About 2000 ommatidia form mosaic vision.

Teacher's Note:
1. Mosaic vision gives less sensitivity.

Question 9: Vermicomposting is the process of
(a) digestion in cockroach
(b) nitrogen fixation
(c) increasing fertility of soil by earthworms
(d) plant breeding
Show Answer & Explanation

Answer: (c) increasing fertility of soil by earthworms

Explanation:
1. Earthworms are called friends of farmers.

Teacher's Note:
1. Their faecal deposits are called worm castings.

Question 10: Lateral oesophageal hearts of earthworm are in segments
(a) 7th and 9th
(b) 4th to 6th
(c) 17th and 19th
(d) 12th and 13th
Show Answer & Explanation

Answer: (d) 12th and 13th

Explanation:
1. Lateral hearts are also in the 7th and 9th segments.

Teacher's Note:
1. Total 4 pairs of hearts.

Question 11: Blood glands of Pheretima are in segments
(a) 4th, 5th and 6th, producing blood cells and haemoglobin
(b) 12th and 13th, producing digestive enzymes
(c) 10th and 11th, producing sperms
(d) 17th and 19th, producing mucus
Show Answer & Explanation

Answer: (a) 4th, 5th and 6th, producing blood cells and haemoglobin

Explanation:
1. Blood glands form blood cells and haemoglobin.

Teacher's Note:
1. Pharyngeal nephridia are also in 4th to 6th segments.

Question 12: In Pheretima the female genital pore and the male genital pores are in which segments, respectively?
(a) 18th and 14th
(b) 10th and 11th
(c) 14th and 18th
(d) 5th and 9th
Show Answer & Explanation

Answer: (c) 14th and 18th

Explanation:
1. A single female pore is on the 14th segment and a pair of male pores on the 18th.

Teacher's Note:
1. Testes are in 10th and 11th segments.

Question 13: The blood vessel with valves in the earthworm is the
(a) dorsal blood vessel
(b) ventral blood vessel
(c) lateral hearts only
(d) subneural vessel
Show Answer & Explanation

Answer: (a) dorsal blood vessel

Explanation:
1. Valves prevent backward flow.

Teacher's Note:
1. Dorsal vessel collects blood from the body.

Question 14: The clitellum of Pheretima is concerned with
(a) digestion
(b) excretion
(c) respiration
(d) production of cocoon
Show Answer & Explanation

Answer: (d) production of cocoon

Explanation:
1. Segments 14 to 16 form the clitellum which secretes cocoon.

Teacher's Note:
1. Fertilisation is external to the body, in the cocoon.

Question 15: The enteronephric nephridia of the earthworm are mainly concerned with
(a) excretion of nitrogenous wastes
(b) osmoregulation by pharynx
(c) digestion
(d) respiration
Show Answer & Explanation

Answer: (a) excretion of nitrogenous wastes

Explanation:
1. Septal and integumentary nephridia also occur.

Teacher's Note:
1. Pharyngeal nephridia are enteronephric.

Free study material for Biology

Practice MCQs for NEET Biology Animal Tissues

Download Multiple Choice Questions: Animal Tissues (NEET Biology)

Review structured objective questions for NEET Biology Animal Tissues. Built according to official NEET guidelines, these MCQ sets support daily revision and core concept reinforcement.

Concept Clarification for Animal Tissues

Each question includes structured solution keys mapped directly to standard NEET textbooks, helping students evaluate their reasoning and correct mistakes early in their revision.

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FAQs

Where can I access latest NEET Biology Structural Organisation in Animals MCQs Set 06?

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