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

Read the following statements. ( A to E ) and select the option with all correct statements.
A) Mosses and Lichens are the first organisms to colonise a bare rock.
B) Selaginella is a homosporous pteridophyte.
C) Coralloid roots in Cycas have VAM.
D) Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.
E) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

(a)

B, C and E

(b)

A, C and D

(c)

B, C and D

(d)

A, D and E

Bryophyllum and Dioscorea are example for ______.

(a)

Foliar bud, apical bud

(b)

Foliar bud, cauline bud

(c)

Cauline bud, apical bud

(d)

Cauline bud, foliar bud

Aggregate fruit develops from _____.

(a)

Multicarpellary, apocarpous ovary

(b)

Multicarpellary, syncarpous ovary

(c)

Multicarpellary ovary

(d)

Whole inflorescence

The taxonomy which involves the similarities & dissimilarities among the immune system of different taxa is termed as ______.

(a)

Chemotaxonomy

(b)

Molecular systematics

(c)

Serotaxonomy

(d)

Numerical taxonomy

Match the columns and identify the correct option:

	Column I		Column II
A	Thylakoids	1.	Disc-shaped sacs in Golgi apparatus
B.	Cristae	2.	Condensed structure of DNA
C.	Cisternae	3.	Flat membranous sacs in stroma
D	Chromatin	4.	Infoldings in mitochondria

(a)

A	B	C	D
(iii)	(iv)	(ii)	(i)

(b)

A	B	C	D
(iv)	(iii)	(i)	(ii)

(c)

A	B	C	D
(iii)	(iv)	(i)	(ii)

(d)

A	B	C	D
(iii)	(i)	(iv)	(ii)

What do A and B indicate in the given diagram.

(a)

Nucleolus, Nuclear membrance

(b)

Nucleolus, Chromatin

(c)

Nucleolus, Nucleoplasm

(d)

Chromosome, Nuclear membrane

Synapsis occur between ______.

(a)

mRNA and ribosomes

(b)

spindle fibres and centromeres

(c)

two homologous Chromosomes

(d)

a male and a female gamete

Proteins perform many physiological functions. For example some functions as enzymes. One of the following represents an additional function that some proteins discharge:

(a)

Antibiotics

(b)

Pigment conferring colour to skin

(c)

Pigments making colours of flowers

(d)

Hormones

The sphincter of Oddi guards _____.

(a)

Hepatopancreatic duct

(b)

Common bile duct

(c)

Pancreatic duct

(d)

Cystic duct

The respiratory structures of insects are _____.

(a)

tracheal tubes

(b)

gills

(c)

green glands

(d)

lungs

A patient's chart reveals that he has a cardiac output of 7500mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)?

(a)

50

(b)

100

(c)

150

(d)

400

A person who is on a long hunger strike and is surviving only on water, will have

(a)

Less amino acids in his urine

(b)

Macula densa cells

(c)

Less urea in his urine

(d)

More sodium in his urine

Muscles are formed by ____.

(a)

myocytes

(b)

leucocytes

(c)

osteocytes

(d)

lymphocytes

During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.

(a)

P = Acetylcholine, Q = Ca⁺⁺

(b)

P = Acetylcholine, Q =Na⁺

(c)

P = GABA, Q = Na⁺

(d)

P = Cholinesterase, Q = Ca⁺⁺

Which of the following are exclusive endocrine glands?

(a)

Thymus and Testis

(b)

Adrenal and Ovary

(c)

Parathyroid and Adrenal

(d)

Pancreas and Parathyroid

Write the distinguishing features of Monera.

Compare sympodial branching with monopodial branching.

State the protoplasm theory.

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown & one blank component " X" in it.

Category	Compound
Cholesterol	Guanine
Amino acid	NH2
Nucleotide	Adenine
Nucleoside	Uracil

Identify the structure that the archenteron becomes in a developing animal.

Why do you call cockroach a pest?

Write the role of oestrogen in ovulation.

A tree is believed to be releasing oxygen during night time. Do you believe the truthfulness of this statement? Justify your answer by giving reasons?

Give an outline of Bryophytes.

Distinguish between prokaryotes and eukaryotes.

Why is Limulus called living fossil?

Give the location of clitellum and spermathecal openings in Lampito mauritii.

Growth hormone is important for normal growth. Justify the statement.

Why is that in certain plants deficiency symptoms appear first in younger parts of the plants while in others, they do so in mature organs?

Describe the method of preparation of herbarium specimen

What are the factors affecting the rate of enzyme reaction?

What are the components of blood in frog?

Explain the process of digestion in the stomach (OR)
What happens when food enters the stomach and explain the role of HCI in digestion process.