Biology
Assertion (A): Black rot of mustard is a fungal disease whereas black rot of cauliflower is a viral disease.
Reason (R): Both black rot of mustard and cauliflower are bacterial diseases.
- 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
Assertion (A) : Fungi are non-chlorophyllous, saprotrophic plants which can be unicellular or multicellular.
Reason (R): Some fungi are autotrophic. They contain chlorophyll and prepare their own food.
- 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): Pasteurization is a technique of complete sterilization applied usually to milk, meat, fish, etc.
Reason (R): Pasteurization kills a majority of the bacteria usually present in milk.
- 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.
Given below is the structure of a bacterial cell. Match the structures marked (a) to (e) with their function or characterstics given.
Example: (f)-6: Lies immediately beneath the cell wall and surrounds the cytoplasm.
Fill in the blanks:
- The specific genus to which several species of yeast belong is …………… .
- …………… is a unicellular fungi.
- Alcoholics may develop body ailments like …………… due to over consumption of alcohol.
- The curd from which moisture has been removed is termed as …………… .
- Cheese is a good source of vitamin …………… and …………… .