Identify the Archaebacterium.

(a)

Acetobacter

(b)

Erwinia

(c)

Treponema

(d)

Methanobacterium

Curcuma amada, Curcuma domestica, Asparagus, Maranta are example of __________

(a)

Tuberous root

(b)

Beaded root

(c)

Moniliform root

(d)

Nodulose root

Many cells function properly and divide mitotically even though they do not have.

(a)

plasma membrane

(b)

cytoskeleton

(c)

mitochondria

(d)

plastids

The protein present in the thin filament is _____.

(a)

myosin

(b)

actin

(c)

pectin

(d)

leucin

Which one of the following statement is correct

(a)

Calcitonin and thymosin are thyroid hormones

(b)

Pepsin and prolactin are secreted in stomach

(c)

Secretin and rhodopsin are polypeptide hormones

(d)

Cortisol and aldosterone are steroid hormones

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

If a plant is provided with all mineral nutrients but, Mn concentration is increased, what will be the deficiency?

(a)

Mn prevent the uptake of Fe, Mg but not Ca

(b)

Mn increase the uptake of Fe, Mg and Ca

(c)

Only increase the uptake of Ca

(d)

Prevent the uptake Fe, Mg, and Ca

The correct sequence of flow of electrons in the light reaction is _______.

(a)

PS II, plastoquinone, cytochrome, PS I, ferredoxin.

(b)

PS I, plastoquinone, cytochrome, PS II ferredoxin.

(c)

PS II, ferredoxin, plastoquinone, cytochrome, PS I.

(d)

PS II, plastoquinone, cytochrome, PS II, ferredoxin.

During oxidation of two molecules of cytosolic NADH + H⁺, number of ATP molecules produced in plants are _____.

(a)

3

(b)

4

(c)

6

(d)

8

Seed dormancy allows the plants to

(a)

overcome unfavourable climatic conditions

(b)

develop healthy seeds

(c)

reduce viability

(d)

prevent deterioration of seeds