photo.jpg

## U.A.S.R/ACK/ME/AET201/03-08-2024/9:15 to 10:45AM./25Marks **Name:** B.E. PRATHAP **IDNO.:** UG22AGR4540 **(10 x 0.3 = 3)** ### QI.A Underline the correct answers from the choices 1. Insects which occur on a crop almost throughout the year are: * **Persistent pests** 2. Study of insect...

## U.A.S.R/ACK/ME/AET201/03-08-2024/9:15 to 10:45AM./25Marks **Name:** B.E. PRATHAP **IDNO.:** UG22AGR4540 **(10 x 0.3 = 3)** ### QI.A Underline the correct answers from the choices 1. Insects which occur on a crop almost throughout the year are: * **Persistent pests** 2. Study of insects which are variously related to the welfare of mankind is referred to as: * **Insect toxicology** 3. The insecticide act passed during the year: * **1972** 4. Alternate wetting and drying of rice field is a cultural method of control adopted for: * **Rice stem borer** 5. The most commonly used commercial insect viruses against lepidopteran pests: * **NPV** 6. Best method to control entry of foreign pest into the country is: * **Legal method** 7. Crop rotation is: * **Cultural** 8. Chemical substances which elicit oriented movement of insects towards their sources are: * **Attractants** 9. *Zygogramma bicolorata* is used as a biocontrol agent of: * **Parthenium hysterophorus** 10. *Cryptolaemus montrouzeri* is a: * **Predator** ### Q. II. State the following statements are True or False **(10 x 0.3 = 3)** 1. **True** A green toxic symbol possessing chemical has higher LD50 Value. 2. **False** The association between cross-pollinated crops and insects is Mutual. 3. **True** Juvenile hormone is a naturally produced hormone in insects.