List of practice Questions

Propolis is used by honey bee for

The correct match among the following

I. Clostridium - Botulism
II. Diplococcus - Pneumonia
III. Treponema - Gonorrhoea
IV. Neisseria - Tetanus

Assertion (A): Cistron is a segment of DNA coding for a polypeptide.
Reason (R): Monocistronic structural genes are not splitted in Eukaryotes.

One of the following is not a second messenger in hormone action:

Scientist associated with DNA sequencing is:

Match the following:

Column I (Drug)	Column II (Source)	Column III (Fact)
A. Opioids	M. Opium poppy	I. Receptors are present in CNS and GI tract.
B. Cannabinoids	N. Cannabis sativa	II. Abused by sports persons
C. Cocaine	O. South American Plant	III. Crack
D. Heroin	P. Diacetyl morphine	IV. Smack

Identify the correct statement in relation to Wuchereria:

Choose the incorrect statements regarding Haemophilia
A. Haemophilia B is X-linked recessive disorder
B. Haemophilia C is autosomal dominant disorder
C. Haemophilia B is caused by deficiency of clotting factor IX
D. Haemophilia A is caused by deficiency of clotting factor XII

This is the cross between F$_1$ generation and either of their parents

Sickle cell anemia is this mutation and occurs due to change of these amino acids.

This committee of Indian Government takes decisions while introducing genetically modified organisms for public services.

Match the following:

Column I	Column II
A. Glomerulus	i. Essential nutrients, 70–80% water and electrolytes are reabsorbed
B. DCT	ii. Maintenance of osmolality
C. PCT	iii. Filtration of blood
D. Henle’s loop	iv. Secretion of H⁺ and K⁺ ions

Plant that possess characters like ramenta, archegonia, circinate

Assertion (A): Fertilization in Cycas is called siphonogamy and zooidogamy.
Reason (R): Male gametes are multiciliate and carried by pollen tube.

Function of aldosterone is

Enzymes are denatured by

Which hormone helps for the long time storage of seeds?

Father of Bacteriology and link to infectious diseases

Choose the correct statements:
[A.] Asexual reproduction preserves genetic information.
[B.] Hybridization leads to multiply desirable genes.
[C.] Restriction enzyme adds methyl group to DNA.
[D.] Genetic engineering changes the phenotype of the organism.

In the logistic growth equation: \[ \frac{dN}{dT} = rN \left[ \frac{K - N}{K} \right] \] What does the variable ‘r’ represent?

The human fossils discovered in Java in 1891 with cranial capacity 900 cc is

Identify the Taxonomists from the group of scientists mentioned below: Hugodevries, Endlicher, Frankel Konrat, Haeckel, de Candolle, Hanning

Choose the correct choices that have a compound impact on ecosystem goods and services.
A. Participation in developing community garden
B. Use of artificial fertilizers
C. Natural pest control
D. Increase in consumption

Match the following

List I		List II
A.	Red panda	i.	Grus leucogeranus
B.	Siberian crane	ii.	Antelope cervicapra
C.	The black buck	iii.	Sus salvanius
D.	Pygmy hog	iv.	Ailurus ochraceus

The reason for the similar size of vascular bundles in monocot leaf