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The Online Biology Olympiad, Final Round. Objectives test five(Evolution, Botany, Hormones, Zoology, Human body systems). Duration: 20 minutes, 20 marks.

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1.
1 point
Life appeared on earth about ......... million years ago.
2.
1 point
Due to adrenalin in the blood, fatigue is a?
3.
1 point
The storage carbohydrate in animals is?
4.
1 point
Speciation takes place when variation occurs with ........
5.
1 point
Biodiesel is obtained from?
6.
1 point
Which of the following is not involved in the stimulation of release of pancreatic juice?
7.
1 point
The duodenum has Brunner's gland which secretes two hormones called?
8.
1 point
The sub-cellular organelle not bound by a single membrane is?
9.
1 point
Among the following, which one is not involved in plant defence-signalling pathway?
10.
1 point
Collagen is ............
11.
1 point
Which of the following non-covalent interactions is considered as strongest?
12.
1 point
The number of bones in the appendicular skeleton is?
13.
1 point
The pitcher plant would be expected to be?
14.
1 point
Which of the following is not a function of auxins?
15.
1 point
Wings of birds and insects have become flat, large and streamlined. This is an example of?
16.
1 point
Which ion gradient is formed across thylakoid membrane, if a light is incident on an isolated thylakoid?
17.
1 point
Blood pressure is measured with a?
18.
1 point
Groups of members which are morphologically identical but genetically different are termed as?
19.
1 point
The metabolic rate in mammals is controlled by?
20.
1 point
The oldest and most primitive form of life is found in?
21.
1 point
The special roots termed as pneumatophores are visible in?
22.
1 point
The contraction of the gall bladder is due to the action of?
23.
1 point
Auxin transport is .........
24.
1 point
All but one inhibits axin transport:
25.
1 point
Links between organisms that show a branching pattern of evolutionary relationships are shown by .........
26.
1 point
In his theory of evolution, Darwin identified ......... as the main cause of natural selection.
27.
1 point
Which of these is not a living fossil?
28.
1 point
Oxytocin stimulates the contraction of?
29.
1 point
The acrosome present on the sperm cell is derived from?
30.
1 point
Among the following, which is a gaseous hormone?
31.
1 point
In salt-tolerant plants, the excess salt is transported to the vacuole by ...........
32.
1 point
All but one are growth inhibitors:
33.
1 point
Sickle cell anaemia is caused by mutation in haemoglobin.......
34.
1 point
Diffusion of a gas in plant cells is by?
35.
1 point
Injury to the adrenal cortex is not likely to affect the secretion of which one of the following?
36.
1 point
Speciation is the evolutionary process by which?
37.
1 point
During tissue respiration, an increased oxidation of glucose occurs due to?
38.
1 point
Most modern taxonomists group living organisms into how many kingdoms?
39.
1 point
Crypts of Lieberkuhn are present in the?
40.
1 point
HCl of the gastric juice ...........
41.
1 point
Speciation occuring due to geographic barrier is termed as?
42.
1 point
Cretinism results due to?
43.
1 point
The hormone testosterone is produced by?
44.
1 point
Which of the following sentences is true about the evolutionary process?
45.
1 point
Among the following, which hormone can induce flowering in short day plants grown under long duration of light?
46.
1 point
In cockroaches, excretion is performed by?
47.
1 point
The Factor responsible for the formation of early embryonic axis during early developmental pathways of plants is?
48.
1 point
The predominant antibody in saliva is?
49.
1 point
Microevolution takes place due to ......
50.
1 point
Which of the following bioassays are used to detect the presence of auxins?
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