Home
Class 11
BIOLOGY
Seed plants are all...

Seed plants are all

A

heterosporous

B

dioecious

C

monoecious

D

homosporous.

Text Solution

Verified by Experts

The correct Answer is:
A
Heteropory is the conditio of producing two types of spores i.e., megaspores and microspores, heteropory occurs in all seed bearing plants i.e., gymnosperms and angiosperms.
Promotional Banner

Similar Questions

Explore conceptually related problems

Pure tall plants are crossed with pure dwarf plants . In the F_1 - generation , all plants were tall . These tall plants of F_1 -generation were selfed and the ratio of tall to dwarf plants obtained was 3 : 1 . This is called :

In pea plants , yellow seeds are dominant to green . If a heterozygous yellow seeded plant is crossed with a green seeded plant , what ratio of yellow and green seeded plants would you expect in F_1 - generation ?

Gymnosperms are referred to as "naked seeded plants".because

When heterozygous round seeded plant is crossed with a recessive wrinkle seeded plant and round and wrinkle phenotypes will appear in F_1 in the ratio :

You are given tall pea plants with yellow seeds, whose genotypes are unknown. How would you find the genotype of these plants ? Explain with the help of cross .

Ex situ conservation is used for the conservation of (a) all plants (b) all animals (c) threatened animals and plants (d) both (a) and (b)

Assertion : Ex-albuminous seeds do not possess any residual endosperm, as it is completely consumed during embryo development., Reason : Wheat, castor, pea and groundnut are all the examples of ex-albuminous seeds.

Assertion : Hydrophily constitues a major mode of pollination in most of the aquatic angiospermous plants. Reason : Almost all the aquatic dicot and monocot plants require water for the transport of male gametes and for fertilisation.