Which of the following poets wrote poems hailing the Russian Revolution of 1917?
(a) Kazi Nazrul Islam
(b) Rabindranath Tagore
(c) Subrahmanya Bharti
(d) Muhammad Iqbal
Match the followings:
List - I
A. Qutb-ud-din Aibak
B. Ghiasuddin Balban
C. Firoz Shah Tughlaq
D. Mohammad Bin Tughlaq
List - II
1. introduction Jizyah, a separate tax.
2. Shifted capital from Delhi to Devagiri.
3. Belonged to the Ilbari Tribe.
4. Founder of Slave dynasty
Select the correct answer using the codes given below:
What is true of ecosystem?
(a) Secondary consumer are the largest and most powerful
(b) Producers are more than primary consumers
(c) Primary consumers outnumber producers
(d) Primary consumers are least dependent upon producers
The taxa believed likely to join the endangered category in near future is called
(c) Out of danger
Earth summit of Rio de Janeiro (1992) resulted in
(b) Convention on biodiversity
(c) Establishment of biosphere reserves
(d) Compilation of red list
A group of interconnected food chain is called a
(a) Food cycle
(b) Food web
(c) Complex food chain
(d) Pyramid of energy
From an environment viewpoint floods, tsunami, earthquake can best be described as
(a) Catastrophic event
(b) Natural Phenomenon
(c) Natural Hazard
The biochemical effects of ozone and PAN appear mostly to raise from the generation of
(d) Free radicals
A Pyrex tumbler does not crack when hot water is poured into it because Pyrex
(a) Expands equally from inside and outside
(b) is a good conductor of heat
(c) does not expand much on heating
(d) is a strong material
Consider the following statements about photosynthesis:
1. Algae can also prepare food by photosynthesis.
2. The presence of starch in leaves indicates the occurrence of photosynthesis.
3. Chlorophyll help leaves to capture energy of sunlight which helps in photosynthesis.
Which of the above is/are correct?
(a) Only 1
(b) Both 1 and 3
(c) Both 2 and 3
(d) All of these.