1. “Rinderpest” disease, which was recently eliminated was caused by which among the following?
[A] Bacteria
[B] Virus
[C] Fungi
[D] Nematode
Show Answer
Correct Answer: B [Virus]
Notes:
Rinderpest which is also called as cattle plague or steppe murrain was an infectious viral disease of cattle, domestic buffalo, and many other species of even-toed ungulates, including buffaloes. It was recently eliminated.
2. A goitre is also called as?
[A] Bronchocele
[B] Larynx
[C] autoimmune disease
[D] inflammation
Show Answer
Correct Answer: A [Bronchocele]
Notes:
A goitre which is also called a bronchoce is a swelling in the neck. It is commonly developed as a result of iodine deficiency or the inflammation of the thyroid gland.
3. Onion, daffodil, tulip are which kind of stems?
[A] Bud
[B] Bulb
[C] Cladophyll
[D] None of the above
Show Answer
Correct Answer: B [Bulb]
Notes:
Onion, daffodil, tulip are bulb stems. The best example of a true bulb is the onion. The rings which we see when we slice an onion in half are actually leaves modified to hold food for the bulb when it is dormant.
4. Japanese encephalitis is a disease caused by __ ?
[A] Virus
[B] Protozoa
[C] Bacteria
[D] Fungi
Show Answer
Correct Answer: A [Virus]
Notes:
Japanese encephalitis is caused by virus from the family Flaviviridae. It’s a Mosquito Borne Disease
5. Gram Positive Bacteria can be identified by the Gram staining because of the following reasons?
[A] The cell walls have more lipids compared to peptidoglycan
[B] The Cells walls have more Peptidoglycan compared to Lipids
[C] The Cells membrane has more fatty acids
[D] The plasma has Peptidoglycans
Show Answer
Correct Answer: B [ The Cells walls have more Peptidoglycan compared to Lipids]
Notes:
The cell wall which is made up of Peptidoglycan as well as lipids gets violet due to the reaction of the CV+. After the decolorization with alcohol, the lipids gets dissolved and the bacteria with higher Peptidoglycan remain violet. These are called Gram Positive bacteria.
6. Alzheimer's disease (AD) is caused due to deficiency of which of the following?
[A] Dopamine
[B] Kainic acid
[C] Acetylcholine
[D] Glutamic acid
Show Answer
Correct Answer: C [ Acetylcholine]
Notes:
Alzheimer's is caused by brain cell death. It is a neurodegenerative disease, which means there is progressive brain cell death that happens over a course of time. It is caused due to deficiency of acetylcholine.
7. With reference to cellular organization, consider the following:
- Fungi
- Bacteria
- Algae
- Protozoa
Which of the above possess eukaryotic cells?
[A] Only 3 and 4
[B] Only 1 and 2
[C] 1, 2, 3 and 4
[D] Only 1, 3 and 4
Show Answer
Correct Answer: D [Only 1, 3 and 4]
Notes:
Eukaryotic cells feature a true nucleus and membrane-bound organelles. Fungi, algae, and protozoa are all eukaryotic organisms. In contrast, bacteria are prokaryotic, lacking a true nucleus and such organelles. Therefore, only Fungi, Algae, and Protozoa (1, 3 and 4) possess eukaryotic cells, while bacteria do not.
8. Which of the following is the process through which plants reproduce?
[A] Condensation
[B] Evaporation
[C] Pollination
[D] Eating
Show Answer
Correct Answer: C [ Pollination ]
Notes:
Sexual reproduction in flowering plants involves the production of male and female gametes, the transfer of the male gametes to the female ovules in a process called pollination. After pollination occurs, fertilization happens and the ovules grow into seeds within a fruit.
9. In how many parts is the human brain divided?
[A] 2
[B] 4
[C] 3
[D] 5
Show Answer
Correct Answer: C [3]
Notes:
The brain has three main parts: the cerebrum, cerebellum and brainstem. Cerebrum: is the largest part of the brain and is composed of right and left hemispheres.
10. Nereis, Pheretima (Earthworm) and Hirudinaria (blood sucking leech) are examples of which Phylum?
[A] Aschelminthes
[B] Coelenterata
[C] Arthropoda
[D] Annelida
Show Answer
Correct Answer: D [Annelida]
Notes:
The annelids (Annelida, from Latin anellus, “little ring”), also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches.
