Which one of the following is not an endemic species of earthworm?

(a)

Perionyx

(b)

Lampito

(c)

Eudrillus

(d)

Octochaetona

Silk is obtained from ________

(a)

Laccifer lacca

(b)

Nosema bombycis

(c)

Attacus ricini

(d)

Attacus mylitta

Rearing of honey bee is called __________

(a)

Sericulture

(b)

Lac culture

(c)

Vemiculture

(d)

Apiculture

Aquaponics is a technique which is _______.

(a)

A combination of aquaculture and fish culture

(b)

A combination of aquaculture and hydroponics

(c)

A combination of vermiculture and hydroponics

(d)

A combination of aquaculture and prawn culture

Induced breeding technique is used in ______.

(a)

Marine fishery

(b)

Capture fishery

(c)

Culture fishery

(d)

Inland fishery

Assertion: The best quality of the pearl is known as Iingha pearl and obtained from marine oysters.
Reason: Nacre is secreted continuously by the epithelial layer of the mantle and deposited around the foreign particle.

(a)

Assertion is true, Reason is false

(b)

Assertion and Reason are false

(c)

Assertion is false But Reason is true

(d)

Assertion and Reason are true

The pupal period lasts for __________

(a)

10 - 12 days

(b)

12 - 14 days

(c)

15 days

(d)

8 - 10 days

Assertion (A): The cocoons of silkworm are soaked in hot water.
Reason (R) : The gum that binds the silk threads is softened.

(a)

A and R are right

(b)

R explains A

(c)

A and R are wrong

(d)

R does not explain A

Say True or False.
A worker bee feeding on Royal Jelly becomes queen bee __________

(a)

True

(b)

False

___________ is a breed found in West Bengal.

(a)

Silkie

(b)

Chittagong

(c)

Deoni

(d)

Brahma