Q.2. Which of the following are free living nitrogen fixing bacteria ?
1. Azotobacter
2. Beijemickia
3. Rhizobium.
4. Rhodospirillum
5. Azospirillum
6. Clostridium
1. Azotobacter
2. Beijemickia
3. Rhizobium.
4. Rhodospirillum
5. Azospirillum
6. Clostridium
Consider the following :
Anonymous Quiz
50%
a) 1,3 and 4 only
22%
b) 1, 2, 4 and 6 only
12%
c) 2, 4, 5 and 6 only
16%
d) 1, 2, 4, 5 and 6
Q.3.Consider the following species :
1. Lichen
2. Moss
3. Mushroom
4. Grasses
1. Lichen
2. Moss
3. Mushroom
4. Grasses
Which of the above can be considered as Pioneer Species in Primary Succession in an ecosystem ?
Anonymous Quiz
14%
a) 1 and 4 only
50%
b) 1 and 2 only
14%
c) 1 and 3 only
23%
d) 1, 2, 3 and 4
Q.1. Consider the following statements regarding Kleptoparasitism :
1. It refers to a form of parasitism
where an organism steals food or
resources collected by another
organism.
2. All kleptoparasites are obligate and cannot hunt or gather food
themselves.
3. Hyenas stealing prey from cheetahs is an example of Kleptoparasitism.
1. It refers to a form of parasitism
where an organism steals food or
resources collected by another
organism.
2. All kleptoparasites are obligate and cannot hunt or gather food
themselves.
3. Hyenas stealing prey from cheetahs is an example of Kleptoparasitism.
How many of the above statements is/are correct ?
Anonymous Quiz
14%
a) Only one
60%
b) Only two
23%
c) All three
4%
d) None of the above statements are correct
Q.2. Consider the following statements with reference to pyramid of energy in ecosystem :
1. A pyramid of energy is a graphical representation of the amount of energy at each trophic level of a food chain.
2. Each level should be roughly one tenth of the size of the preceding level.
3. Pyramids of will never appear inverted energy.
1. A pyramid of energy is a graphical representation of the amount of energy at each trophic level of a food chain.
2. Each level should be roughly one tenth of the size of the preceding level.
3. Pyramids of will never appear inverted energy.
Which of the above statements is/are correct ?
Anonymous Quiz
44%
a) 1 and 2 only
14%
b) 2 and 3 only
17%
c) 1 and 3 only
25%
d) 1, 2 and 3
Q.3. Consider the following organisms :
1. Whales
2. Dolphins
3. Sharks
4. Whale Sharks
1. Whales
2. Dolphins
3. Sharks
4. Whale Sharks
Which of the above is/are mammals?
Anonymous Quiz
23%
a) 1 and 2
28%
b) 1, 2 and 4
13%
c) 1 and 4
36%
d) All
Q. 1. Consider the following Temperate Grasslands :
1. China - Manchuria
2. Canterbury - Australia
3. Pustaz – Hungary
4. Downs –New Zealand
1. China - Manchuria
2. Canterbury - Australia
3. Pustaz – Hungary
4. Downs –New Zealand
Which of the above are correctly matched by the countries in which they are found in ?
Anonymous Quiz
39%
a) 1 and 3 only
28%
b) 1 and 4 only
22%
c) 2 and 3 only
12%
d) 2 and 4 only
Q.2. Consider the following statements regarding Kelp forests :
1. They are found in tropical waters only.
2. They are rich in potassium, iron, calcium, fibre and iodine.
3. They can serve as a buffer against waves.
1. They are found in tropical waters only.
2. They are rich in potassium, iron, calcium, fibre and iodine.
3. They can serve as a buffer against waves.
Which of the above statements is/are correct ?
Anonymous Quiz
10%
a) 1 and 2 only
17%
b) 1 and 3 only
50%
c) 2 and 3 only
24%
d) All of the above
Q.3. Carrageenans or carrageenins are of natural family linear sulfated polysaccharides that are extracted from which of the following ?
a) Green Algae
b) Brown algae/Kelps
c) Red Algae
d) None of the above
a) Green Algae
b) Brown algae/Kelps
c) Red Algae
d) None of the above