(a) Revolves about the polar axis (b) Has a time period less than that of the near earth satellite (c) Moves faster than a near earth satellite (d) Is stationary in the space Answer: a (12)
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) Equisetum (b) Selaginella (c) Marsilea (d) None of these Ans. d (11)
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) Gamete (b) Zygote (c) Sporogonium (d) Zoospore Ans. b (6)
(a) 1.99×1030 kg (b) 7.56×1022 kg (c) 5.98 ×1024 kg (d) 7.65×1022 kg Answer: d (5)
(a) 12 V (b) 6 V (c) 4/3 V (d) 3/2V Answer: b (7)
(a) Starch formation (b) Protein storage (c) General metabolism (d) Enzyme secretion Ans. a (6)
(a) Epilithic (b) Epifolic (c) Coenolithic (d) None of these Ans. a (6)
(a) Bryophytes (b) Gymnosperms (c) Green algae (d) Angiosperms Ans. c (4)
(a) Green algae (b) Red algae (c) Brown algae (d) Blue green algae Ans. b (10)
(a) A large non-motile female gamete and a small non-motile male gamete (b) A large motile female gamete and a small non-motile male gamete (c) A small non-motile female gamete and a large motile male gamete (d) A large non-motile …
(a) Period is greater than the period of rotation of the earth (b) Period is less than the period of rotation of the earth about its axis (c) Period has no relation with the period of the earth about its …
(a) Marine water (b) Fresh water (c) Tree (d) Arctic zone Ans. b (7)
(a) Trichome (b) Coenobium (c) Coenocyte (d) Parenchymatous Ans. b (9)
(a) The mass of the satellite only (b) The radius of the earth only (c) The orbital radius only (d) The mass of the earth only Answer: b (8)
(a) Chlorine (b) Fluorine (c) Iodine (d) Bromine Ans. a (6)
(a) The mass of the planet (b) The radius of the planet (c) The mass of the satellite (d) All the three parameters (a), (b) and (c) Answer: c (9)
(a) Fungi and bryophyta (b) Algae and bryophyta (c) Algae, fungi and bryophyta (d) Algae and fungi Ans. d (8)
(a) 3.5 km/s (b) 7 km/s (c) 72 km/s (d) 14 km/s Answer: a (14)
(a) 24 hours (b) 12 hours (c) 365 days (d) One month Answer: a (13)
(a) Mass of the earth (b) Mass of the satellite (c) Radius of the earth (d) Acceleration due to gravity Answer: b (12)
(a) One chloroplast and one pyrenoid (b) One or more chloroplast, each with one pyrenoid (c) One or more chloroplast, each with many pyrenoids (d) None of the above Ans. c (9)
(a) Increase by 1% (b) Increase by 0.5% (c) Decrease by 1% (d) Decrease by 0.5% Answer: b (4)
(a) A satellite cannot move in a stable orbit in a plane passing through the earth’s centre (b) Geostationary satellites are launched in the equatorial plane (c) We can use just one geostationary satellite for global communication around the globe …
(a) Mass of the satellite, its time period and the gravitational constant (b) Mass of the satellite, mass of the earth and the gravitational constant (c) Mass of the earth, mass of the satellite, time period of the satellite and …
(a) gR (b) gR/2 (c) √g/R (d) √gR Answer: d (3)
(a) 1/T (b) 1/T2 (c) 1/T3 (d) T-2/3 Answer: d (32)
(a) 3/2 v (b) √(3/2) v (c) √(2/3) v (d) 2/3 v Answer: c (5)
(a) Ulothrix (b) Anabaena (c) Ulva (d) Hydrodictyon Ans. b (11)
(a) Chlamydomonas (b) Ulothrix (c) Spirogyra (d) Acetabularia Ans. a (11)
(a) Green algae (b) Brown algae (c) Red algae (d) Blue green algae Ans. c (8)
(a) Ratio of total energy will be 4 (b) Ratio of kinetic energies will be 4 (c) Ratio of potential energies will be 4 (d) Ratio of total energy will be 4 but ratio of potential and kinetic energies will …
(a) 11 km/s (b) 11√ 3 km/s (c) 11/√3 km/s (d) 33 km/s Answer: a (6)
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …
(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is …