Identify the Archaebacterium.

(a)

Acetobacter

(b)

Erwinia

(c)

Treponema

(d)

Methanobacterium

Living things are made of ___________

(a)

Organisms

(b)

Atoms

(c)

Organs

(d)

Cells

Which among the bacteria breakdown hydrocarbons?

(a)

Pseudomonas putida

(b)

Lacto bacillus

(c)

Bifido bacterium

(d)

Nitrosomonas

Asexual reproduction occurs by conidia _________.

(a)

Hydra and Yeast

(b)

Aspergillus and Penicillium

(c)

Bacteria and Amoeba

(d)

Spirogyra

Lysogenic cycle is otherwise called _________.

(a)

Avirulent

(b)

Virulent

(c)

Transfection

(d)

Ghost

In an inflorescence where flowers are borne laterally in an acropetal succession the position of the youngest floral bud shall be ______.

(a)

Proximal

(b)

Distal

(c)

Intercalary

(d)

Anywhere

Synapsis occur between ______.

(a)

mRNA and ribosomes

(b)

spindle fibres and centromeres

(c)

two homologous Chromosomes

(d)

a male and a female gamete

Why is the velocity of blood flow the lowest in the capillaries?

(a)

The systemic capillaries are supplied by the left ventricle, which has a lower cardiac output than the right ventricle

(b)

Capillaries are far from the heart, and blood flow slows as distance from the heart increases

(c)

The total surface area of the capillaries is larger than the total surface area of the arterioles

(d)

The capillary walls are not thin enough to allow oxygen to exchange with the cells

Pearl oyster belongs to the Class

(a)

Gastropoda

(b)

Cephalopoda

(c)

Scaphapoda

(d)

Pelecypoda

For every CO₂ molecule entering the C₃ cycle, the number of ATP & NADPH required ________.

(a)

2ATP + 2NADPH

(b)

2ATP + 3NADPH

(c)

3ATP + 2NADPH

(d)

3ATP + 3NADPH