Nigra is associated with-

(1) Cerebellum
(2) Medulla oblongata
(3) Crus cerebri
(4) All the above

Caruncle is:
1. Nuclellar outgrowth
2. Integumentary outgrowth
3. Endosperm haustorium
4. All of the above

This process uses NADH and FADH2 to produce ATP
 1) oxidative phosphorylation
 2) fermentation
 3) glycolysis
 4) krebs cycle

Sunken stomata are characteristic of
1. hydrophytes
2. xerophytes
3. mesophytes
4. all of these

If an earthworm is possessing 100 segments, caecum starts from 23rd, in how many segments typhlosole is extended.

1) 48
2) 50
3) 52
4) 49

Hypnotoxin is poisonous fluid produced by
1. Parasitic protoza
2. Nematocysts
3. Sponges
4. Ascaris

Which of the following pair is wrongly matched about the taxonomic arrangement of cat?

1)    Scientific name – Felis domestica.
2)    Family – Felidae.
3)    Order – Mammalia.
4)    Phylum – Chordata.

Crossing over is an exchange of genetic material between nonsister chromatids of a bivalent during

(1) Meiosis I

(2) Meiosis II

(3) Mitosis

(4) All of the above

The respiratory organs of spides are
1. Gills
2. Lungs
3. Book lungs
4. Book gills

A leaf showing the differentiated in mesophyll is designated as

 1) Dorsiventral
 2) Isobilateral
 3) Scale
 4) Pulvinus