Biology
Assertion (A): Gymnosperms are flowering plants which bear naked seeds.
Reason (R): Gymnosperms bear seeds in cones.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Related Questions
Identify the invertebrate phyla P and Q based on the characteristics given below :
Characteristics Invertebrate Phyla Usually have a skeleton of microscopic spicules or elastic spongin fibres. P Soft, round, cylindrical body with a false body cavity. Q - P — Porifera, Q — Cnidaria
- P — Cnidaria, Q — Platyhelminthes
- P — Porifera, Q — Nematoda
- P — Nematoda, Q — Cnidaria
Assertion (A): Monera and Protista are similar with respect to their number of cells. Both are unicellular.
Reason (R): They differ with respect to their nuclei. Monerans are prokaryotic and protists are eukaryotic.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Jungle crow and house crow can breed among themselves as both belong to the same genus.
Reason (R): They can interbreed among themselves as both are crows and only their habitat is different.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.
Assertion (A): Ostia are the openings in the body wall of sponges through which water enters inside the body.
Reason (R): Osculum is a mouth-like structure on the top of the sponge's body through which water is thrown out.
- A is True and R is False.
- A is False and R is True.
- Both A and R are True.
- Both A and R are False.