MCQs Questions NEET

Q1. Which of the following compounds will give a yellow precipitate with iodijie and alkali?

1. Acetophenone
2. Methyl acetate
3. Acetamide
4. 2-hydroxypropane

Answer: D

Q2. Which of the following compounds can be used as antifreeze in automobile radiators?

1. Methyl alcohol
2. Glycol
3. Nitrophenol
4. Ethyl alcohol

Answer: B

Q3. Structure of a mixed oxide is cubic close packed (ccp). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovalent metal B. The formula of the oxide is

1. ABO 2
2. A 2 BO 2
3. A 2 B 3 O 4
4. AB 2 O 2

Answer: D

Q4. Equal volumes of two monoatomic gases, A and B , at same temperature and pressure are mixed. The ratio of specific heats (c p / c v ) of the mixture will be

1. 0.83
2. 1.50
3. 3.3
4. 1.67

Q6. Which of the following exhibits only +3 oxidation state?

1. U
2. Th
3. Ac
4. Pa

Answer: C

Q7. Which one of the following pairs is wrongly matched?

1. Ginkgo — Archegonia
2. Salvinia — Prothallus
3. Viroids — RNA
4. Mustard — Synergids

Answer: B

Q8. In the five-kingdom classification, Chlamydomonas and Chlorella have been induced in

1. Protista
2. Algae
3. Plantae
4. Monera

Answer: C

Q9. For its activity, carboxypeptidase requires

1. zinc
2. iron
3. niacin
4. copper

Answer: A

Q10. Which one of the following structures is an organelle within an organelle?

1. Ribosome
2. Peroxisome
3. ER
4. Mesosome

Answer: A