1. Which of the following is not present in animal cells?
[A] Cell walls
[B] Mitochondria
[C] Ribosomes
[D] Cytoplasm
Show Answer
Correct Answer: A [Cell walls]
Notes:
Animal cells do not have cell walls. Cell walls are found in plant cells. Other given organelles like Mitochondria, Ribosome and Cytoplasm are present in animal cells.
2. Which of the following protects the body against infectious disease and foreign invaders?
[A] Leukocytes
[B] Red blood cells
[C] Endoplasmic reticulum (ER)
[D] Golgi apparatus
Show Answer
Correct Answer: A [Leukocytes]
Notes:
White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders. All white blood cells are produced and derived from multipotent cells in the bone marrow known as hematopoietic stem cells.
3. Which of the following is not a part of the digestive system?
[A] Small Intestine
[B] Rectum
[C] Pharynx
[D] Spleen
Show Answer
Correct Answer: D [Spleen]
Notes:
The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune system. The spleen is not part of the digestive system however is connected to the blood vessels of both the stomach and the pancreas.
4. Which of the following is not a correct statement?
[A] One liter of cold air will be heavier than one liter of hot air
[B] Bats are blind but can fly in the dark because of echolocation
[C] In human body, Liver stores glucose as glycogen
[D] Foot and mouth disease of cattle is a viral disease
Show Answer
Correct Answer: B [ Bats are blind but can fly in the dark because of echolocation ]
Notes:
Bats are not blind.
5. In which of the following plants, you can find Leghemoglobin?
[A] Wheat
[B] Soyabean
[C] Potato
[D] Brinjal
Show Answer
Correct Answer: B [Soyabean]
Notes:
Legume nodules possess special protein called LEGHEMOGLOBIN. The synthesis of leghemoglobin is the result of symbiosis because neither bacteria alone nor legume plant alone possess the protein
6. In context with biology, which among the following is a Zoophyte?
[A] A plant that resembles an animal
[B] An animal that resembles a plant
[C] A plant that grows on an animal
[D] An animal that grows on a plant
Show Answer
Correct Answer: B [An animal that resembles a plant]
Notes:
A zoophyte is an animal that visually resembles a plant.
7. In which among the following categories, Nepenthes khasiana or Indian Pitcher Plant can be placed?
[A] Saprophyte
[B] Xerophyte
[C] Insectivorous
[D] Halophyte
Show Answer
Correct Answer: C [Insectivorous]
Notes:
Nutrition is plants is classified into two main categories: autotrophic and heterotrophic. Heterotrophic plants are further classified into saprophytes, parasite and insectivores.
Saprophytes are those plants which grow and live on dead organic matter including animal and plant remains
Insectivorous plants are autotrophic but develop adaptations to trap insects in order to supplement the deficiency of Nitrogen in the soil. They feed on insects. They are generally found in nitrogen deficient habitats and hence to compensate the loss, they use insects as a source of nitrogen.
8. Calcitriol is the biologically active form of which among the following Vitamins?
[A] Vitamin B
[B] Vitamin C
[C] Vitamin D
[D] Vitamin E
Show Answer
Correct Answer: C [Vitamin D]
9. A doctor, while using the Sphygmomanometer to measure the blood pressure of a patient, also uses the Stethoscope to listen a whooshing sound of blood, in which among the following arteries?
[A] Radial Artery
[B] Brachial Artery
[C] Auxiliary Artery
[D] Median Artery
Show Answer
Correct Answer: B [Brachial Artery]
10. In genetics, the Reverse transcriptase helps in which among the following transcriptions?
[A] Single stranded DNA into double stranded DNA
[B] Single stranded RNA into double stranded DNA
[C] Single Stranded RNA into double stranded RNA
[D] Double Stranded DNA into single stranded RNA
Show Answer
Correct Answer: B [Single stranded RNA into double stranded DNA]
