31. Guava leaves come under the category of which of the following leaves?
[A] Simple Leaf
[B] Compound Leaf
[C] Both 1 and 2
[D] Neither 1 nor 2
Show Answer
Correct Answer: A [Simple Leaf]
Notes:
When a single lamina is attached to the main stem by a petiole, the leaf is said to be simple, as in guava leaves.
32. One of the following is not an auxin.
[A] Indole-3-acetic acid
[B] Malic Hydrazide
[C] Indole butyric acid
[D] Naphthalene acetic acid
Show Answer
Correct Answer: B [Malic Hydrazide]
Notes:
Maleic hydrazide is a synthetic compound that has a plant growth regulating action. It is used as a potato foliar treatment to prevent volunteer formation and germination during storage.
33. Which plant material is called an embryo?
[A] Seed
[B] Fruit
[C] Flower
[D] Root
Show Answer
Correct Answer: A [Seed]
Notes:
The seed contains plant material, it can develop into another plant. This plant material is called the embryo.
34. Which frog belongs to the family Ranidae?
[A] true frogs
[B] tree frogs
[C] tailed frog
[D] all of the above
Show Answer
Correct Answer: A [true frogs]
Notes:
True frogs belong to the family Ranidae. They are generally medium to large in size, have smooth skin, and have long legs with webbing between the toes.
35. Which of the following organ is involved in the purification of Inhaled Air?
[A] Cartilage
[B] Hair or cilia
[C] Mucus Membrane
[D] Septum
Show Answer
Correct Answer: B [Hair or cilia]
Notes:
Hair or cilia is the organ of the nose that is involved in the purification of Inhaled Air.
36. How many bones are there in the average person’s body?
[A] 33
[B] 206
[C] 639
[D] It varies by individual
Show Answer
Correct Answer: B [206]
Notes:
206 bones are there in the average person’s body. These include the bones of the skull, spine, ribs, arms and legs. Bones are made up of connective tissue reinforced by calcium and specialized bone cells.
37. Which of the following are the characteristics of cardiac muscle?
[A] involuntary
[B] intrinsically controlled
[C] single nucleated
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The four characteristics of cardiac muscle tissue cells are involuntary and intrinsically controlled, striated, branched and single nucleated.
38. AIDS, Polio, Measles, Influenza are some examples of infections caused by which of the following?
[A] Virus
[B] Bacteria
[C] Protozoan
[D] Fungi
Show Answer
Correct Answer: A [Virus]
Notes:
AIDS, Polio, Measles, Influenza are some examples of infections caused by viruses.
39. Which of the following vectors is responsible for transmitting the parasite causing filariasis?
[A] Anopheles mosquito
[B] Aedes mosquito
[C] Tse Tse fly
[D] Culex mosquito
Show Answer
Correct Answer: D [Culex mosquito]
Notes:
Culex mosquito vectors are responsible for transmitting the parasite causing filariasis.
40. Which two ideas are included in the definition of biotechnology?
[A] Medical biotechnology and Agricultural biotechnology
[B] Traditional biotechnology and Modern molecular biotechnology
[C] Blue biotechnology and Red biotechnology
[D] Green biotechnology and Animal biotechnology
Show Answer
Correct Answer: B [Traditional biotechnology and Modern molecular biotechnology]
Notes:
Traditional biotechnology and Modern molecular biotechnology are two ideas included in the definition of biotechnology.
