How many organisms in the list below are autotrophs?
1. Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces,
2. Trypanosoma, Porphyra, Wolffia.

(a)

Four

(b)

Five

(c)

Six

(d)

Three

Example for negatively geotropic roots __________

(a)

Ipomoea, Dahlia

(b)

Asparagus, Ruellia

(c)

Vitis, Portulaca

(d)

Avicennia, Rhizophora

Arrangement of sepals and petals in flower bud is called ________.

(a)

adhesion

(b)

aestivation

(c)

placentation

(d)

cohesion

Lysosomes release their enzymes outer side the cell to digest other cells _________________

(a)

Autolysis

(b)

Phagocytosis

(c)

Exocytosis

(d)

Peroxisomes

Who coined the term biodiversity?

(a)

Walter Rosen

(b)

AG Tansley

(c)

Aristotle

(d)

AP de Candole

The minute pores on the body of sponges are called _________

(a)

oseuliem

(b)

ostia

(c)

choanocytes

(d)

spongocoel

The head region of Cockroach _______ pairs of _____ and shaped eyes occur.

(a)

One pair, sessile compound and kidney shaped

(b)

Two pairs, stalked compound and round shaped

(c)

Many pairs, sessile simple and kidney shaped

(d)

Many pairs, stalked compound and kidney shaped

CO₂ is transported through blood to lungs as _____.

(a)

carbonic acid

(b)

oxyhaemoglobin

(c)

carbamino haemoglobin

(d)

carboxy haemoglobin

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

__________ is a mixed nerve.

(a)

Hypoglossal

(b)

Optic

(c)

Olfactory

(d)

Facial

Which of the given option shows all wrong statements for thyroid gland.
Statement
(i) It inhibits process of RBC formation
(ii) It helps in maintenance of water and electrolytes
(iii) Its more secretion can reduce blood pressure
(iv) It Stimulates osteoblast

(a)

(i) and (ii)

(b)

(iii) and (iv)

(c)

(i) and (iv)

(d)

(i) and (iii)

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

(a)

True

(b)

False

In Gymnosperms, the activity of sieve cells are controlled by _____.

(a)

Nearby sieve tube members

(b)

Phloem parenchyma cells

(c)

Nucleus of companion cells

(d)

Nucleus of albuminous cells

Cobalt chloride strips are used to find ___________

(a)

Presence of stomata in leaf

(b)

Rate of transpiration

(c)

Guttation

(d)

All the above

Dicarboxylic Acid pathway refers to __________

(a)

C₃ pathway

(b)

C₄ pathway

(c)

C₂ pathway

(d)

CAM

Select the wrong statement from the following:

(a)

Formative phase of the cells retain the capability of cell division.

(b)

In elongation phase development of central vacuole takes place.

(c)

In maturation phase thickening and differentiation takes place.

(d)

In maturation phase, the cells grow further.

What do you infer from the term pycnoxylic?

What you know about Imperfect or unisexual flower? 

Name any three odoured plastids

What are pseudocoelomates? Give examples

How does the male frog attract the female for mating?

What are basophils?

What vessels carry blood to the kidneys? Is this blood arterial or venous?

Which is the only jointless bone in human body?

Write the peculiar characters of duck.

Differentiate sieve cells and sieve tubes

Plant A in a nutrient medium shows whiptail disease. Plant B in a nutrient medium shows a little leaf disease. Identify mineral deficiency of plant A and B?

What is critical day length?

Write the characters of living things.

Differentiate between aggregate fruit with multiple fruit.

Mention the role of Inhibitors of Enzyme.

Head of cockroach is called hypognathous. Why?

Write a note on assimilation

Which part of the autonomic nervous system is involved in micturition process?

Define the two phase's involved in transmission of nervous impulses

Give the economic importance of prawn fishery

Mention two important products obtained from bark.

List the types of Senescence.

Give the salient features of the class Deuteromycetes.

Write the Botanical Description of Allium cepa.

Explain the excretory system of frog.

What is erythroblastosis foetalis? How is it caused? Can it be treated?

Identify the biological term
Excretion, glomerulus, urinary bladder, glomerular filtrate, ureters,urine, Bowman’s capsule, urinary system, reabsorption, micturition, osmosis, proteins.
a. A liquid which gathers in the bladder.
b. Produced when blood is filtered in a Bowman’s capsule.
c. Temporary storage of urine.
d. A ball of inter twined capillaries.
e. Removal of unwanted substances from the body.
f. Each contains a glomerulus.
g. Carry urine from the kidneys to the bladder.
h. Scientific term for urination.
i. Regulation of water and dissolved substances in blood and tissue fluid.
j. Consists of the kidneys, ureters and bladder.
k. Removal of useful substances from glomerular filtrate.
l. What solute the blood contains that are not present in the glomerular filtrate?

Briefly explain the structure of thyroid gland.

Differentiate photosynthesis in plants and Bacterial photosynthesis.

Describe the mechanism of photoperiodic induction of flowering.