List of practice Questions

From the following table, select the option that correctly characterizes various phases of menstrual cycle :

	Menstruation phase	Follicular phase	Luteal phase
(1)	Regeneration of endometrium	High level of progesterone	Developing corpus luteum
(2)	Matured follicle	Regression of corpus luteum	Ovulation
(3)	Menses	Developing corpus luteum	Follicle maturation
(4)	Menses	L.H. Surge	Regeneration of endometrium

Find the correct statement.
(1) Generally a gene regulates a trait, but sometimes one gene has effect on multiple traits.
(2) The trait AB-blood group of man is regulated by one dominant allele and another recessive allele. Hence it is co-dominant.

'Gene-mapping' technology was developed by

Which of the following statements is correct?

The male sex accessory ducts include,

Consider the following statements with reference to female reproductive system :
Statement 1 : The presence or absence of hymen is not a reliable indicator of virginity or sexual experience.
Statement 2 : The sex of the foetus is determined by the father not by the mother.
Choose the correct option from the following :

In the female reproductive system, a tiny finger like structure which lies at he upper junction of the two labia minora above the urethral opening is called

Which pair of the following cells in the embryo sac are destined to change their ploidy after fertilization ?

With reference to human sperm, match the List-I with List-II.

List-I		List-II
1.	Head	p.	Filled with enzyme
2.	Acrosome	q.	Contains mitochondria
3.	Middle piece	r.	Sperm motility
4.	Tail	s.	Contains haploid nucleus

Choose the correct option from the following :

Bamboo species flowers

The vibrations from the ear drum are transmitted through ear ossicles to

Atrial Natriuretic Factor (ANF) acts as a

Identify the option showing the correct labelling for p, q, r and s with reference to the conducting system of the human heart.

Primary endosperm nucleus is formed by fusion of

In Bryophyllum, the adventitious buds arise from

Match column-I with column-II. Select the option with correct combination.

Column-I		Column-II
1.	Hypertonic	p.	Two molecules move in the same direction across the membrane.
2.	Capillarity	q.	External solution is more concretrated than cell sap.
3.	Symport	r.	Water loss in the form of droplets.
4.	Guttation	s.	Ability of water to rise in thin tubes.

The complex formed by a pair of synapsed homologous chromosomes is called,

Considering the stroke volume of an adult healthy human being is 70 mL, identify the cardiac output in one hour from the following :

Match List-I and List-II with respect to proteins and their functions and select the correct option.

List-I		List-II
1.	Collagen	p.	Fights infectious agents
2.	Trypsin	q.	Hormone
3.	Insulin	r.	Enzyme
4.	Antibody	s.	Intercellular ground substance

Function of contractile vacuole in Amoeba is

Toxicity of which micronutrient induces deficiency of iron, magnesium and calcium ?

Identify the floral formula pf plant belonging to potato family.

Flame cells present in the members of platyhelminthes are specialized to perform,

Match the column-I with column-II and choose the correct option from the following :

Column-I (Plant groups)		Column-II (Examples)
1.	Bryophyta	p.	Pinus
2.	Gymnosperm	q.	Adiantum
3.	Algae	r.	Sphagnum
4.	Pteridophyta	s.	Ectocarpus

Select the correctly matched pair of organisms with their order.