Biology
Name the following:
- Four whorls of a bisexual flower.
- Four pollinating agents.
- Two types of seeds on the basis of the number of cotyledons.
- Two types of germination.
- Two types of pollination.
Related Questions
Assertion: Both proteins and starch are richly found in the endosperm as well as the cotyledon of the maize grain.
Reason: Maize grain is an example of an endospermic seed. Hence, proteins and starch are stored in the endosperm which can be easily utilized by the developing embryo.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Match the columns:
Column A Column B a) Radicle (i) Shoot b) Plumule (ii) Store food material c) Cotyledon (iii) Root d) Testa (iv) Absorb water needed for germination e) Micropyle (v) Protection of seed Given below are sets of four terms. Choose the odd one and write the category of the remaining terms :
- Epicarp, Epicalyx, Endocarp, Mesocarp
- Anther, Ovary, Stigma, Style
- Bean, Gram, Rice, Pea
- Tegmen, Cotyledones, Testa, Thalamus
- Apple, Mango, Guava, Litchi
Correct the following statements by changing the first/last word only
- Ovary is the part of a flower from where the petals and other floral parts arise.
- A fruit is the ripened ovule.
- The plumule of an embryo develops into the root system.
- Hilum is a small pore which allows the entry of water inside the seed.
- Enzymes act best at a temperature between 45° to 50° C.