May, 2022Flame Institute

Antheridium in Funaria is

(a) Pear shaped (b) Club shaped (c) Flask shaped (d) Spherical Ans.b (4)

The body of Funaria is

(a) Simple rosette thallus (b) Differentiated into root, central axis and leaves (c) Differentiated into rhizoids, stem and leaves (d) None of the above Ans. c (11)

The earth E moves in an elliptical orbit with the sun S at one of the foci as shown in figure. Its speed of motion will be maximum at the point

Answer: b (13)

Mosses show

(a) Isomorphic alternation of generation (b) Heteromorphic alternation of generation (c) Haplobiontic life cycle (d) None of the above Ans. b (9)

Spore in Funaria is

(a) Three layered (b) Two layered (c) Four layered (d) None of the above Ans. b (10)

The peristomial teeth in Funaria are

(a) Hydric (b) Xeric (c) Mesic (d) Hygroscopic Ans. d (6)

In Funaria the leaves surrounding the archegonia cluster are called as

(a) Perichaetial leaves (b) Perigonial leaves (c) Acicular leaves (d) Foliage leaves Ans. a (6)

A planet revolves around sun whose mean distance is 1.588 times the mean distance between earth and sun. The revolution time of planet will be

(a) 1.25 years (b) 1.59 years (c) 0.89 years (d) 2 years Answer: d (8)

Protonema of Funaria is

(a) Thalloid (b) Foliose (c) Filamentous (d) Crustaceous Ans. c (12)

The apophysis region of capsule is concerned with

(a) Photosynthesis (b) Formation of spores (c) Dispersal of spores (d) Retention of moisture Ans. a (29)

The rotation period of an earth satellite close to the surface of the earth is 83 minutes. The time period of another earth satellite in an orbit at a distance of three earth radii from its surface will be

(a) 83 minutes (b) 83 × √8 minutes (c) 664 minutes (d) 249 minutes Answer:c (6)

The green upright sterile hair like structure among antheridia of Funaria are known as

(a) Apophysis (b) Perigonial teeth (c) Trabeculae (d) Paraphyses Ans. d (50)

A satellite moves around the earth in a circular orbit of radius r with speed v. If the mass of the satellite is M, its total energy is

(a) -(1/2)Mv2 (b) (1/2)Mv2 (c) (3/2)Mv2 (d) Mv2 Answer: a (5)

Number of flagella present in the gametes of Ulothrix is

(a) Four (b) Three (c) One (d) Two Ans. d (9)

Basal cell of Ulothrix is

(a) Extra green (b) Colourless (c) Full of reserve food (d) Without a nucleus Ans. b (9)

Ulothrix produces

(a) Isogametes (b) Anisogametes (c) Ascospores (d) Heterogametes Ans. a (5)

Spirogyra has a

(a) Haplontic life cycle (b) Diplontic life cycle (c) Haplobiontic life cycle (d) Diplobiontic life cycle Ans. a (6)

A satellite whose mass is M, is revolving in circular orbit of radius r around the earth. Time of revolution of satellite is

Answer: b (10)

Which of the following reproduces vegetatively under favourable conditions

(a) Algae (b) Fungi (c) Bryophyta (d) All the above Ans. d (7)

The term bryophyta was given by

(a) Darwin (b) Braun (c) Aristotle (d) Galen Ans. b (8)

A satellite moves round the earth in a circular orbit of radius R making one revolution per day. A second satellite moving in a circular orbit, moves round the earth once in 8 days. The radius of the orbit of the second satellite is

(a) 8 R (b) 4R (c) 2R (d) R Answer: b (5)

The time period of a satellite of earth is 5 hours. If the separation between the earth and the satellite is increased to four times the previous value, the new time period will become

(a) 20 hours (b) 10 hours (c) 80 hours (d) 40 hours Answer: d (3)

In bryophytes diploid chromosome number occurs in

(a) Spore mother cell (b) Gametes (c) Spores (d) Meiospores Ans. a (7)

The chloroplast in Spirogyra is

(a) Spiral band shaped (b) Cup shaped (c) Star shaped (d) Girdle shaped Ans. a (10)

Physiological anisogamous sexual reproduction is found in

(a) Mucor (b) Selaginella (c) Pinus (d) Spirogyra Ans. d (5)

Chloroplast in Ulothrix is

(a) Reticulate (b) Cuplike (c) Spiral (d) Girdle shaped Ans. d (6)

What is incorrect for bryophytes

(a) Vascular tissue lacking (b) Independent sporophyte absent (c) Gametophyte reduced and dependent (d) Asexual reproduction by zoospores absent Ans. c (9)

Bryophytes are dependent on water because

(a) Archegonium has to remain filled with water for fertilization (b) Water is essential for fertilization for their homosporous nature (c) Water is essential for their vegetative propagation (d) The sperms can easily reach upto egg in the archegonium Ans. …

Which of the following quantities does not depend upon the orbital radius of the satellite

(a) T/R (b) T/R2 (c) T2/ R2 …

Dichotomous branching is found in

(a) Fern (b) Funaria (c) Liverworts (d) Marchantia Ans. c (4)

If satellite is shifted towards the earth. Then time period of satellite will be

(a) Increase (b) Decrease (c) Unchanged (d) Nothing can be said Answer: b (6)

The evidence for aquatic origin of bryophytes is

(a) Ciliated sperms (b) Green colour (c) Protonema thread (d) Some are still aquatic Ans. a (17)

An artificial satellite is placed into a circular orbit around earth at such a height that it always remains above a definite place on the surface of earth. Its height from the surface of earth is

(a) 6400 km (b) 4800 km (c) 32000 km (d) 36000 km Answer: d (4)

The weight of an astronaut, in an artificial satellite revolving around the earth, is

(a) Zero (b) Equal to that on the earth (c) More than that on the earth (d) Less than that on the earth Answer: a (48)

In Ulothrix meiosis (Reduction division) occurs in

(a) Gamete (b) Zygospore (c) Zoospore (d) Thallus Ans b (13)

A ball is dropped from a spacecraft revolving around the earth at a height of 120 km. What will happen to the ball

(a) It will continue to move with velocity v along the original orbit of spacecraft (b) It will move with the same speed tangentially to the spacecraft (c) It will fall down to the earth gradually (d) It will go …

98. The length of an elastic string is a metre when the longitudinal tension is 4 N and b metre when the longitudinal tension is 5 N. The length of the string in metre when the longitudinal tension is 9 N is

(a) a-b (b) 5b-4a (c) 2b-(1/4)a …

97. When a uniform wire of radius r is stretched by a 2kg weight, the increase in its length is 2.00 mm. If the radius of the wire is r/2 and other conditions remain the same, the increase in its length is

(a) 2.00 mm (b) 4.00 mm (c) 6.00mm (d) 8.00 mm Answer-d (10)

Our Books

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a …