1. Fructose is a form of carbohydrate synthesized in plants. It become table sugar by combining which of the following ?
[A] Glucose
[B] Galactose
[C] Maltose
[D] None of the above
Show Answer
Correct Answer: A [Glucose]
Notes:
Fructose is a form of carbohydrate synthesized in plants. It becomes table sugar by combining with glucose. It is a simple ketonic monosaccharide found in many plants.
2. Which among the following is not rightly matched : (Ailments and affected parts of Body)
[A] Dermatitis – Skin
[B] Glossitis – Tongue
[C] Peritonitis – Abdomen
[D] Cystitis – Caecum
Show Answer
Correct Answer: D [Cystitis – Caecum]
Notes:
Cystitis is related to Bladder
3. In which part of the human body “Pleura” is found?
[A] Lungs
[B] Brain
[C] Liver
[D] Heart
Show Answer
Correct Answer: A [Lungs]
Notes:
A pleura is a serous membrane which folds back onto itself to form a two-layered membranous pleural sac. It surrounds each lung and attach to the internal surface of the thoracic cavity.
4. Taxonomically, which among the following is closet to Sea Corals?
[A] Sea Lettuce
[B] Sea Horse
[C] Sea Anemone
[D] Sea Urchin
Show Answer
Correct Answer: C [ Sea Anemone]
Notes:
As cnidarians, sea anemones are related to corals, jellyfish, tube-dwelling anemones, and Hydra.
5. With respect to the cultivation of Tea, the withering process is used to __?
[A] To stop the tea leaf oxidation at a desired level
[B] To remove excess water from leaves and allows slight oxidation
[C] To alter the flavour of the tea
[D] To stop browning of tea
Show Answer
Correct Answer: B [To remove excess water from leaves and allows slight oxidation]
Notes:
Withering is used to remove excess water from the leaves and allows a very slight amount of oxidation. The process is also important in promoting the breakdown of leaf proteins into free amino acids and increase the availability of freed caffeine, both which change the taste of the tea.
6. Which of the following is the lowest taxonomic division shared by both man and frog?
[A] Order
[B] Class
[C] Phylum
[D] Family
Show Answer
Correct Answer: C [Phylum]
Notes:
In the kingdom of animals, the phylum Chordata includes the classes of Pisces, Amphibia, Reptilia, Aves and Mammalia. These classes have at some stage in their lives shown common characteristics. So, man and frog belong to the same Phylum in the taxonomical level.
7. Which of the following type of Kidneys is found in an adult frog?
[A] Pronephric
[B] Metanephric
[C] Mesonephric
[D] None of these
Show Answer
Correct Answer: C [ Mesonephric ]
Notes:
Mesonephros is permanent kidney of frog and most fish, developing posterior to and replacing the pronephros of the embryonic and larval stages. It is a paired organ consisting of a set of nephrons having capsules that filter blood from the glomerulus and tubules whose cells reabsorb water and nutrients and secrete nitrogenous wastes.
8. Xylem helps in transportation of which of the following?
[A] Food
[B] Water
[C] Both food and water
[D] Nutrients
Show Answer
Correct Answer: B [Water]
Notes:
Xylem is a type of tissue in vascular plants that transports water and some nutrients from the roots to the leaves. Water is passively transported into the roots and then into the xylem. The forces of cohesion and adhesion cause the water molecules to form a column in the xylem.
9. What is the full form of RNA?
[A] Reverse Nucleic Acid
[B] Ribonitric Acid
[C] Ribonutrient Acid
[D] Ribonucleic Acid
Show Answer
Correct Answer: D [Ribonucleic Acid]
Notes:
Ribonucleic acid (RNA) is a polymeric molecule essential in various biological roles in coding, decoding, regulation and expression of genes. An example of RNA is a chain of cells that carries genetic information of many viruses from the cell to the cytoplasm.
10. Stripes can be seen over the body of many animals. Which of the following indication is given by the stripes?
[A] Mating habit
[B] Food habit
[C] Cave dwelling
[D] Matching of skin colour with surroundings
Show Answer
Correct Answer: D [Matching of skin colour with surroundings]
Notes:
Some animals have stripes on their back because of the Camouflage Effect. Camouflage effect refers to combination of different colours or materials in order to make animals or objects hard to see or to disguise oneself in the surrounding. Striped Animals can easily hunt other animals by disguising themselves in the surrounding and making it hard for other animals to see.