List of practice Questions

Deficiency of the following causes Necrosis or death of leaf tissue

Identify the structure found in the early embryonic stages of amniotes that provides a clue to their aquatic ancestry.

Duchenne muscular dystrophy is an example of:

Cluster of air sacs in lungs are called ___

Match the following:

List I	List II	List III
I. Robert Costanza	C) Price tags	ii) Nature’s life support services
II. Sundarbans	A) Mangroves	iv) Flood protection
III. Lichens	D) Soil formation	i) Other supporting service
IV. Ecological function	B) Public transit	iii) Conserve natural services

The number of absorbed CO$_2$ and water molecules to produce 180 g of glucose in plants are:

Lac Operon concept is introduced by these biochemists and geneticists:

It is not involved in recombinant DNA production.

Identify the correct statement:

Intercalary meristematic zone, Paraphyses, Elaters are the characters of these Bryophytes respectively

Four plants are observed. ‘A’ is a primitive land plant. ‘B’ is embryophytic archegoniate phanerogam. ‘C’ is autotrophic thallophyte showing haplontic life cycle. ‘D’ is nonflowering plant with heterosporous sporangium. The plants found respectively are

The number of identification characters for the Bryophyllum from the given list
- Monochasial cyme
- Epiphyllous buds
- Leaf notches
- Adventitious roots
- Whorled leaves

Assertion (A): Bio piracy is use of bio resources by multinational companies with proper authorization from the other countries and people.
Reason (R): Industrialized nations are poor at biodiversity but rich financially.

Bilateral symmetry is observed in
A. Asterias
B. Bipinnaria
C. Adult gastropods
D. Auricularia Larva
E. Brachiolaria Larva

The majority of the Rh antibodies produced by the mother in Erythroblastosis foetalis are

The organs which have dissimilar structure and origin but perform the same function are called

Bi-collateral vascular bundles can be found in these plants
A. Smilax zeylanica
B. Lilium candidum
C. Lycopersicon esculentum
D. Withania somnifera

The structures that appear as “Beads-on-string” in the chromatin and the number of base pairs are

The bonds found in a polynucleotide chain between the individual nucleotides and nitrogen bases are

In plants, sugar synthesis takes place in

Match the following body parts of earthworm with respect to their segments
A. Gizzard	i. 8^th & 9^th
B. Pharyngeal Nephridia	ii. 17^th & 19^th
C. Nerve ring	iii. 4^th, 5^th, 6^th
D. Accessory glands	iv. 17^th & 19^th

Assertion (A): Ascaris lumbricoides is a facultative anaerobe.
Reason (R): Ascaris performs either aerobic or anaerobic respiration depending on availability of oxygen.

Choose incorrect statement related to diffusion

Rats belong to the class

Assertion (A): Kidneys of vertebrates are called retroperitoneal organs.
Reason (R): They are covered by parietal peritoneum only on their ventral side.