Biology important questions
| Question | Options | Answer |
|---|---|---|
| Which pigment is found in Chlorophyceae? | A. Chlorophyll a B. Chlorophyll b C. Fucoxanthin D. Phycocyanin | B |
| DNA is made up of which type of biomolecule? | A. Carbohydrate B. Lipid C. Nucleic Acid D. Protein | C |
| Which of the following is the powerhouse of the cell? | A. Ribosome B. Mitochondria C. Golgi Apparatus D. Endoplasmic Reticulum | B |
| Which plant hormone is responsible for cell elongation? | A. Cytokinin B. Ethylene C. Auxin D. Abscisic acid | C |
| What is the basic unit of the nervous system? | A. Nephron B. Neuron C. Axon D. Dendrite | B |
| Which of the following is a respiratory pigment? | A. Haemoglobin B. Melanin C. Insulin D. Keratin | A |
| Which gas is mainly absorbed by plants during photosynthesis? | A. Oxygen B. Carbon dioxide C. Nitrogen D. Hydrogen | B |
| What is the function of xylem in plants? | A. Transport food B. Transport water C. Photosynthesis D. Respiration | B |
| Which vitamin is synthesized by human skin in sunlight? | A. Vitamin A B. Vitamin B12 C. Vitamin C D. Vitamin D | D |
| What type of cell division results in two identical daughter cells? | A. Meiosis B. Mitosis C. Binary Fission D. Budding | B |