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(2ai)
Kingdom – Animalia
Class – Aves

(2aii)
The specific location is the wings.

(2aiii)
Fowl

(2b)
In a tabular form
Under Specimen H
-Light brownish in colour
-Obtained from animal.
-The barbs are joined.
-The shaft is made of cuticle.
-It acts as an organ of insertion.
-specimen is soft and fluffy.

Specimen J
-Green in colour.
-Obtained from a plant.
-Each leaf is separate from one another.
-The shaft is made of wood.
-Acts as an organ of photosynthesis.
-Specimen is hard.

(2bi)

(i)Both have flat surface
(ii)Both have mid rib
(iii)Both are linear and elongated

(2c)
H – It is used for flying.
J – it is used for photosynthesis.

Or

H:- it serve as water proof/protection and keep the bird warm

J:-it is used for photosynthesis.

(2d)
(i)Quill for attachment to the bird wing

(ii)Vane with inter locking barbs for easy flight in air

(iii) It is light in weight to allow the bird to be able to light up

(2dii)
(i)Presence of chlorophyll for absorption of solar energy

(ii)Opposite arrange for easy access to sunlight

*OR*

(2di)
(I)The light weight of the specimen.
(ii)The streamlined structure.
(iii)The smoothness of the vane.

(2dii)
(I)Presence of green colouring material(chlorophyll).
(ii)Its position on the body of the plant

(4ai)
Sex of specimen P is Male

(4aii)
The wings of male cockroach are larger than that of the females and extend beyond the abdomen.

(4bi)
Habitats
P – It can be found in dark place.
Q – It can be found in farm lands.

(4bii)
Adaptation of P
(i) Possession of antenna for detecting food.
(ii) Compound eye for wider view.
(iii) Possession of jointed pair of legs.

Adaptation of Q
(i) Possession of chitinous body cover for protection.
(ii) Presence of wings for flight.
(iii) Mandibular mouth part for chewing.

(4c)
In a tabular form:
Specimen P
Dorso-ventrally flattened to allow passage through cracks.

Specimen Q
Possession of chitinous body cover for protection.

(4cii)
(i) Both have antenae
(ii) Both possesses flying wings
(iii) Both have chewing mouth parts

(4di)
Biting and chewing

(4dii)
Grass or leaves

(4e)
(Check above image for diagram)

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