Which of the following is a behavioural adaptation that protects prey from predators?
- A. Hibernation
- B. Shedding of leaves
- C. Secreting irritating fluid
- D. Dormancy
Correct Option: Answer is C
2.The period of inactivity seen in some animals during long period of heat or drought is
- A. Migration
- B. Aestivation
- C. Hibernation
- D. Adaptation
Correct Option: Answer is B
Aestivation or æstivation (from Latin: aestas, summer, but also spelled estivation in American English) is a state of animal dormancy, similar to hibernation, although taking place in the summer rather than the winter
3. The insect trapping movements of the leaves of the venus fly trap is a behavioural adaptation for
- A. support
- B. surviving adverse weather conditions
- C. obtaining food
- D. dormancy
Correct Option: Answer is C
The Venus flytrap (Dionaea muscipula) possesses an active trapping mechanism to capture insects with one of the most rapid movements in the plant kingdom
4. Animals are said to gregarious when
- A. they survive adverse conditions of cold weather
- B. they transmit information from one individual to another
- C. they are of the same species moving together in a group
- D. they give an alarm to alert others to show the normal protective behaviour of the group when danger threatens
Correct Option: Answer is C
Habitually living or moving in flocks or herds; tending to flock or herd together; not habitually solitary or living alone. No birds of prey are gregarious.
5. The type of nutrition shown by spirogyra is
- A. Symbiosis
- B. Holozoic
- C. Chemosynthetic
- D. Holophytic
Correct Option: Answer is D
Spirogyra Longata performs photosynthesis to receive its nutrients. This alga contains special cells called stomata that open and close so the organism can take in carbon dioxide and release oxygen during the chemical reaction in photosynthesis.
6. Raw materials required by green plants to manufacture their food are
- A. mainly fluids
- B. inorganic substances
- C. living materials
- D. mainly gases
Correct Option: Answer is B
7. Which of the following pairs of organisms are photosynthetic?
- A. Amoeba and paramecium
- B. Euglena and chlamydomonas
- C. Volvox and Rhizopus
- D. Nostoc and plasmodium
Correct Option: Answer is B
Euglena and chlamydomonas are photosynthetic because the possess features of plants which enables them to produce their food
8. The type of nutrition in which two organisms of different species live together and derive nutrients from each other is
- A. symbiotic nutrition
- B. saprophytic nutrition
- C. holozoic nutrition
- D. holophytic nutrition
Correct Option: Answer is A
Symbiotic nutrition involves two organisms of different species living together and deriving nutrients from each other
9. Which of the following statement about the similarities in plant and animal transport is correct?
- A. Materials and hormones are transported in fluid form
- B. The transport medium is made up of only tissues
- C. Their materials are transported in the same vessels
- D. Diffusion is not required
Correct Option: Answer is A
One of the similarities in plant and animal transport is that materials and hormones are transported in fluid form in both.
10. Which of the following describes the function of lymph
- A. Temperature regulation
- B. Production of antibodies
- C. Engulfing
- D. Body defence
Correct Option: Answer is D
The lymphatic system is a network of tissues and organs that help rid the body of toxins, waste and other unwanted materials. The primary function of the lymphatic system is to transport lymph, a fluid containing infection-fighting white blood cells, throughout the body, Lymph serves as body defense.