Biology Question Sep-2023

Biology Question Sep-2023

1.Which of the following acts as an insulator against heat, cold and as a shock absorber in the body?
(A) Dermis (B) Epidermis
(C) Subcutaneous (D) All of the above

2.Who among the following is considered as theb father of genetic engineering?
(A) Philip Drinker (B) Paul Berg
(C) Thomas Addison (D) Alpheuss Packard Jr.

3.The word gene was firstly used by-
(A) Waldare (B) Watson
(C) Crick (D) Johannsen

4.As a person grows up, most of his cartilage turns into bone in a process called-
(A) Ossification (B) Haematopoiesis
(C) Interneuron’s (D) Acromegaly

5.A baby’s skeleton is mostly made up of-
(A) Bone (B) Cartilage
(C) Both of them (D) None of them

6. Who was the first to use the term ecology?
(A) Reiter (B) Haeckel
(C) Odum (D) All of the above

7.The best soil for the growth of plant?
(A) Gravel (B) Clay soil
(C) Loam soil (D) Fine sand

8.The plants of Saline residence are called-
(A) Hydrophytes (B) Mesophytes
(C) Halophytes (D) Saprophytes

9. “Iris” is a part of which human organ?
(A) Ear (B) Eyes
(C) Nose (D) Heart

10. Which of these is the hereditary material that is transferred from parents to offspring?
(A) Hormones (B) Genes
(C) Pathogens (D) Antigens

11. Blood is formed by which type of Tissues?
(A) Connective Tissue (B) Muscle Tissue
(C) Epithelial Tissue (D) Neuron Tissue

12.Bambusa Dendro Calmus is the scientific name of __.
(A) Banyan (B) Papaya
(C) Bamboo (D) Pomegranate

13.Which of the following is antibiotic?
(A)Streptomycin (B) Tetracycline
(C) Erythromycin (D) All of the above

14. Who is known as the father of tissue culture?
(A) Bonner (B) Laibach
(C) Haberlandt (D) Gautheret

15.Which one of the following organ has the capacity
of regeneration?
(A) Spleen (B) Kidney
(C) Brain (D) Liver

16.Azolla Anabaena is used as fertilizer in growing
the crop-
(A) Wheat (B) Rice
(C) Mustard (D) Cotton

17.In human beings, normally in which one of the following parts, does the sperm fertilize the ovum?
(A) Cervix
(B) Lower part of uterus
(C) Upper part of uterus
(D) Fallopian tube

18.Which nerve cell carries messages from the brain and spinal muscles and glands?
(A) Sensory neurons
(B) Motor neurons
(C) Central nervous
(D) Peripheral nervous

19.The cells that are responsible for the production of antibodies are.
(A) White blood cells (B) Red blood cells
(C) Platelets (D) None of these

20.How many pair of heart is found in an earthworm?
(A) One (B) Two
(C) Five (D) Seven

21.Consider the following statements:

1. Chromoplasts are yellow, red and orange
   colours.
2. Centrosome was discovered by T. Boveri in
   1888.
   Which of the statements given above is/are NOT
   correct?
   (A) 1 only (B) 2 only
   (C) Both 1 and 2 (D) Neither 1 nor 2

22.Consider the following statements:

1. 120/80 mm/hg of blood is considered normal
   blood pressure.
2. The sphygmomanometer is used for the
   measurement of temperature also.
   Which of the statements given above is/are NOT
   correct?
   (A) 1 only (B) 2 only
   (C) Both 1 and 2 (D) Neither 1 nor 2

23.Consider the following statements:

1. White blood cell act for blood clotting.
2. Red blood cell is used for defence against
   infection.
   Which of the statements given above is/are
   correct?
   (A) 1 only (B) 2 only
   (C) Both 1 and 2 (D) Neither 1 nor 2

24.Consider the following statements:

1. Gastric glands present in the wall of the stomach
   produce gastric juices.
2. It contains 97-99 percent water, 4-5 percent
   hydrochloric acid, pepsin, rennin, and gastric
   lipase enzyme.
   Which of the statements given above is/are NOT
   correct?
   (A) 1 only (B) 2 only
   (C) Both 1 and 2 (D) Neither 1 nor 2

25.Consider the following statements:

1. The reaction controlled by the enzyme is
   reversible.
2. They take part in both synthesis and
   Disintegration functions.
   Which of the statements given above is/are
   correct?
   (A) 1 only (B) 2 only
   (C) Both 1 and 2 (D) Neither 1 nor 2

Answer: 1-(C) 2-(B) 3-(D) 4-(A) 5-(B) 6-(B) 7-(C) 8-(C) 9-(B) 10-(B) 11-(A) 12-(C) 13-(D) 14-(C) 15-(D) 16-(B) 17-(D) 18-(B) 19-(A) 20-(C) 21-(D) 22-(A) 23-(D) 24-(C) 25-(C)