The correct statement regarding Blue green algae is ______.

(a)

lack of motile structures

(b)

presence of cellulose in cell wall

(c)

absence of mucilage around the thallus

(d)

presence of floridean starch

Yeast and Hydra reproduce by ___________

(a)

Budding

(b)

Fission

(c)

Spore formation

(d)

Vegetative propagation

Stromatolites are the colonies of cyanobacteria bind with ____________ .

(a)

calcium carbonate

(b)

calcium hydroxide

(c)

magnesium sulphate

(d)

calcium silicate

Phycology is the study of _______

(a)

virus

(b)

algae

(c)

plants

(d)

bacteria

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

(a)

Tuberous root

(b)

Beaded root

(c)

Moniliform root

(d)

Nodulose root

A true fruit is the one where ______.

(a)

Only ovary of the flower develops into fruit

(b)

Ovary and calyx of the flower develops into fruit

(c)

Ovary, calyx and thalamus of the flower develops into fruit

(d)

All floral whorls of the flower develops into fruit

Perianth is present in_______.

(a)

Clitoria ternatea

(b)

Datura metal

(c)

Allium cepa

(d)

Pongamia pinnata

Centromere is required for ______.

(a)

transcription

(b)

crossing over

(c)

cytoplasmic cleavage

(d)

movement of chromosome towards pole

Enzymes that catalyse interconversion of optical, geometrical or positional isomers are ______________

(a)

Ligases

(b)

Lyases

(c)

Hydrolases

(d)

Isomerases

If the diameter of the pulley is 6 inches, length of pointer is 10 inches and distance travelled by pointer is 5 inches. Calculate the actual growth in length of plant.

(a)

3 inches

(b)

6 inches

(c)

12 inches

(d)

30 inches