CBSE Class 11 Biology MCQs Set G

Choose the most appropriate answer.

Question. They retain zygote after fertilization in the female reproductive organ which develops into an embryo:
(a) Algae
(b) Fungi
(c) Cyanobacteria
(d) Bryophytes
Ans. D

Question. It is much more uniform habitat and better supplied with nutrients:
(a) Land 
(b) Air 
(c) Water 
(d) Ice
Ans. C

Question. The reproductive organs of moss plants are located on the:
(a) Side of stem 
(b) Base of stem
(c) Tip of stem 
(d) Axil of leaves
Ans. C

Question. The dominant generation in Bryophytes is:
(a) Sporophyte
(b) Gametophyte
(c) Saprophyte
(d) Tracheophyte
Ans. B

Question. Antheridium produces:
(a) Eggs
(b) Sperms 
(c) Spores 
(d) Zygotes
Ans. B

Question. The sex organs of moss plant are:
(a) Unicellular 
(b) Bicellular 
(c) Tricellular 
(d) Multicellular
Ans. D

Question. The large nonmotile egg formed in heterogamy is full of:
(a) stored food 
(b) water 
(c) air
(d) waste matter
Ans. A

Question. Embryos are present in all:
(a) Bryophytes 
(b) Vascular plants 
(c) Algae 
(d) Both A & B
Ans. D

Question. The zygote in moss plant divides and produces:
(a) Sperms
(b) Eggs 
(c) Embryo
(d) Spores
Ans. C

Question. In moss plant, spore on germination develops into:
(a) Sporophyte
(b) Gametophyte 
(c) Liverworts 
(d) Pteredophytes
Ans. B

Question. In Moss plant:
(a) Gametophyte is dependent on Sporophyte 
(b) Sporophyte is dependent on gametophyte
(c) Both are independent from each other 
(d) Both are dependent on each other for food
Ans. B

Question. Alternation of generation:
(a) Increases the chances of survival 
(b) Decreases the chances of survival
(c) Does not affect survival 
(d) None of these
Ans. A

Question. Meiosis (reduction division) in moss plant occurs:
(a) Before gametes formation
(b) Before spore formation 
(c) After spore formation 
(d) After gametes formation
Ans. B

Question. Which of the following have unicellular reproductive organs?
(a) mosses
(b) algae
(c) liverworts
(d) Pteredophytes
Ans. B

Question. Which of the following characteristics are adopted by organisms for life on land?
(a) multicellular plant body
(b) heterogamy
(c) formation of embryos
(d) all of these
Ans. D

Question. Which of the following is an example of liverworts?
(a) Funaria
(b) Marchantia
(c) Ulva
(d) Penecillium
Ans. B

Question. The diffusion of oxygen and carbon dioxide in bryophytes take place through the:
(a) epidermal cells
(b) stomata
(c) pores in the epidermis
(d) cuticle
Ans. C

Question. The female sex organs in moss plant are called:
(a) archegonia
(b) antheridia
(c) sporangia
(d) oogonia
Ans. A

Question. Which of the following are produced in archegonia?
(a) sperms
(b) eggs
(c) ovules
(d) spores
Ans. B

Question. Which of the following produces embryo with in the parent plant?
(a) Rhizopus
(b) Ulva
(c) Funaria
(d) Stigeoclonium
Ans. C

Question. The alternation of generation in moss plant is:
(a) isomorphic
(b) heterosporic
(c) isogamic
(d) heteromorphic
Ans. D

Question. The gametophyte of a moss plant is:
(a) Monoploid
(b) Diploid
(c) Triploid
(d) Polyploidy
Ans. A

Question. Which of the following is mismatched in bryophytes?
(a) archegonia _____ eggs
(b) Antheridia _____ spores
(c) Bryophytes ___ non __vascular plants
(d) Gametophyte ____ dominant
Ans. B

Question. A moss sperm moves by means of:
(a) pseudopodia
(b) one flagellum
(c) two flagella
(d) none of these
Ans. C

Question. The bryophyte sperm attracted to the egg by:
(a) moving currents of water
(b) chemical secretions
(c) opposite electric charges
(d) none of these
Ans. B

Question. Embryonic development of the bryophyte zygote takes places in the:
(a) protonema
(b) sporogonium
(c) Antheridium
(d) archegonium
Ans. D