(n) World’s Summit on Sustainable Development held in
year 2002 in South africa.
(a) 3 (b) 2
(c) 4 (d) None of these
- IUcN red List 2004 documents extinction of how many
species in last 500 years?
(a) 1550 (b) 486 (c) 847 (d) 784
- reserpine derived from Rauvolfia vomitoria used to
control hypertension is derived from
(a) immature seeds (b) bark of stem
(c) roots (d) dried leaves and bark.
- ‘World Biodiversity Day’ is celebrated annually on
(a) 5 th June (b) 16 th September
(c) 22 nd may (d) 29 th December.
- Which of the following are wrong statements, except?
(a) Biosphere reserves developed in India under the
maB programme of UNEScO are “area maintained
by government for the betterment of wildlife” only.
(b) “rivet popper hypothesis” was proposed by Paul
Ehrlich which indicates removal of “keystone
species” will destablise the ecosystem drastically.
(c) most important cause of extinction of species is
“human greed over its need”where certain animals
have been over exploited.
(d) Introduction of cichlid fish in Lake Victoria leads to
extinction of Flemingo in few years.
- Given below are pie diagrams I, II and III related to
the proportionate number of species of major taxa
of invertebrates, vertebrates and plants respectively.
critically study and fill in the blanks a, B, c and D.
II. Vertebrates
Mammals
Birds
Reptiles
Fishes
B
Other animal groups
Crustaceans
Insects
A
I. Invertebrates
Mosses Ferns and allies
Lichens
III. Plants
Algae
(a) a-molluscs, B-amphibians, c-angiosperms, D-Gym-
nosperms
(b) a-molluscs, B-amphibians, c-Fungi, D-angiosperms
(c) a-Turtles, B-amphibians, c-Fungi, D-angiosperms
(d) a-hexapoda, B-amphibians, c-Fungi, D-angiosperms
- Tropical rain forests, example ‘amazon forest’ popularly
called “lungs of planet earth”, occupy how much land
of earth?
(a) about 14% (b) about 20%
(c) about 6% (d) < 2%
- Which of the following are true statements, except?
(a) Photoperiodism was discovered in a variety of
tobacco plant.
(b) Endosperm digestion test is a bioassay for G.a.
(c) Kinetin a synthetic ck chemically N 6 furfuryl amino
purine a derivative of adenine.
(d) Wheat is a LDP and cotton SDP.
- rapid internodal elongation, in deep water rice plant, is
promoted by
(a) ethylene (b) Ga
(c) cytokinin (d) either (b) or (c).
- Which of the following is a true statement?
(a) Shoot initiation in callus is promoted by higher
auxin/cytokinin ratio.
(b) aBa is antagonistic of c 2 h 4.
(c) Spray of Ga can extend marketing period of some
fruit crops by delaying senescence.
(d) auxin was isolated by F W Went in agar block from
tip of coleoptiles of Phalaris.
Send your response at [email protected] or post to us with complete address by 25th of
every month to win exciting prizes. Winners’ names from October issue
onwards will be declared on 1st of every month on http://www.mtg.in
- Make as many biological terms as possible
using the given letters. Each word should
contain the letter given in circle.
- Minimum 4 letter word should be made.
- In making a word, a letter can be used as
many times as it appears in the box.
- Make at least 1 seven letter word.
