Biology MCQ Question and Answer
Biology MCQ Question and Answer
84. A bryophyte differes from pteridophyte in—
- Archegonia
- Lack of vascular tissue
- Independent gametophyte
- None of these
85. Acid rain is mainly a mixture of—
- Sulphuric acid and nitric acid
- Hexane and methane
- Acetic acid and bromine
- Ascorbic acid and citric acid
87. Pyramid of energy is—
- Alwayss inverted
- Always upright
- Sometimes inverted and sometimes upright
- None of these
88. ATP is—
- An enzyme which brings about oxidation
- A hormone
- A molecule with high energy phosphate bond
- A protein
89. Which one of the following is not a feature of prokaryotic cell ?
- Absence of nuclear membrane and the nucleus
- Absence of cell organelles
- Absence of genetic material
- Absence of histone protein in the chromosome
90. Which one of the following is highly dangerous radioactive pollutant ?
- Phosphorus-32
- Sulphur-35
- Strontium-90
- Calcium-40