What are chasmogamous flower? Can cross pollination occur in cleistogamous flowers? Give reasons for your answer

Into what cleistogamous flowers are seen ?

State whether the following triangles are congruent or not? Give reasons for your answer.

State whether the following triangles are congruent or not? Give reasons for your answer.

Choose the correct statement from the following (A) Cleistogamous flowers always exhibit autogamy (B) Chasmogamous flowers always exhibit geitonogamy (C) Cleistogamous flower exhibit both autogamy and geitonogamy (D) Chasmogamous flowers never exhibit autogamy

Which of the following sentences are statement? Give reason for your answer: Sun is star.

Which of the following sentences are statement? Give reason for your answer: Open the door.

Which of the following sentences are statement? Give reason for your answer: Who are you?

Are pollination and fertilisation necessary in apomixis ? Give reasons