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Round 3:- Mind Martians(Variegated build)

Total questions: 12

Worksheet time: 10mins

Name
Class
Date
1.

1. Sunlight

⬇️

Phytoplankton

⬇️ (__?___)

Bacteria

⬇️(__?___)

Protozoa

⬇️

____?_____

⬇️

Fishes.

a)

Zooplankton,Dissolved Organic Matter,Particulate Organic Matter

b)

Particulate organic Matter,Zooplankton,Dissolved Organic Matter

c)

Dissolved Organic Matter,Particulate Organic Matter,Zooplankton

d)

Zooplankton,Particulate Organic Matter,Dissolved Organic Matter

2.

In addition to Natural Killer,T and B cells,recent findings have demonstrated that________ can develop not only from myeloid-but also from lymphoid-committed progenitors.

a)

RBCs

b)

Macrophages

c)

Dendritic cell

d)

Platelets

3.

A man was trying to conceive with his partner but was worried for the fate of the child. He suffers from color blindness. What is the probability that the child is colour blind boy (considering the mother is normal) Also give the probability for the girl child to be a carrier.(the disorder is X-linked recessive).

a)

for colour blind boy-0,for carrier girl child-0.5

b)

For colour blind boy-0.25,for carrier girl child-0.25

c)

For colour blind boy-0,for carrier girl child-0.25

d)

for colour blind boy-0.5,for carrier girl child-0

4.

The administration of an adjuvant as part of a vaccine increases the antibody response by five fold.How is this achieved?

a)

Co stimulatory signals are enhanced.

b)

Specific Proliferation of lymphocytes is stimulated.

c)

Conformational changes of the Antigen.

d)

Inflammation is decreased.

5.
a)

0.5,1.5,0.67;Metafemale,Intersex

b)

1.5,0.5,0.67:Metafemale,Intersex

c)

0.5,0.67,1.5;Intersex,Metafemale

d)

0.67,1.5,0.5;Intersex,Metafemale

6.

Which adrenal cortex hormone is involved in maintaining the cardiovascular system as well as the kidney function?

a)

Aldosterone,the main Mineralocorticoids

b)

Cortisol,the main Glucocorticoid

c)

Catecholamines

d)

DHAE and androgenic steroids

7.

In the process of Double fertilization in plants, PEN (Primary Endosperm Nucleus) is formed by the fusion of which of these elements?

a)

Male gamete and Egg cell

b)

Male gamete and the Antipodals

c)

Male gamete and Polar Nuclei

d)

Vegetative cell and the Tube cell

8.

Name the filamentous organism which was used in Engelmann's experiment to show photosynthetic activity?

a)

Rhizopus stolonifer

b)

Penicillium

c)

Spirogyra

d)

Cyanobacteria

9.

Which of the following gene/s helps deduce the evolutionary relationship between the taxonomic group for prokaryotes?

a)

16S rRNA

b)

23S rRNA

c)

5S rRNA

d)

18S rRNA

10.

Which of the following diseases is caused by Trypanosoma pallidum?

a)

Balantidiasis

b)

Syphilis

c)

Giardiasis

d)

Malaria

11.

Which of the following mutations causes Burkitt's lymphoma?

a)

Point mutation

b)

Chromosomal translocation

c)

Deletion

d)

Duplication

12.

Arrange the following sequences of tumor development in the correct order?

1) Metastasis

2) Progression

3) Promotion

4) Initiation

a)

2,3,1,4

b)

4, 3,2,1

c)

4,3,1,2

d)

4,2,1,3