Biology Selected Questions and Answers Set 30

Q.1:- Anaemia is due to deficiency of ?

  1. Ca
  2. Fe
  3. Mg
  4. P

Q.2:- Coagulation of blood do not occur inside human body due to presence of ? [RRB Kolkata ASM / CG Exam 2005]

  1. Haemoglobin
  2. Heparin
  3. Fibrinogen
  4. None of these

Q.3:- pH value of human blood is ?

  1. 1
  2. 4
  3. 4
  4. 2

Q.4:- A person with ‘AB’ blood group is sometimes called a universal recipient because of the ? [IAS (Pre) Exam 1995]

  1. Lack of antigen in his blood
  2. Lack of antibodies in his blood
  3. Lack of both antigen and antibodies in his blood
  4. Presence of antibodies in his blood

Q.5:- At high altitude RBC of human blood will ? [RRB Mumbai Exam 2005]

  1. Increase in Number
  2. Decrease in number
  3. Decrease in size
  4. Increase in size

Q.6:- The smallest structural and functional unit of nervous system is ?

  1. Centron
  2. Dendron
  3. Axon
  4. Neuron

Q.7:- The hormone used as an oral contraceptive is ? [SSC Exam 2013]

  1. Aldosterone
  2. Cortisone
  3. Progesterone
  4. Testosterone
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Q.8:- Centre of reflex action ? [45th BPSC (Pre) Exam 2002]

  1. Cerebrum
  2. Cerebellum
  3. Spinal Cord
  4. Nerve Cell

Q.9:- Food is converted into energy in which of the cellular organelles of cell ?

  1. Nucleus
  2. Lysosome
  3. Ribosome
  4. Mitochondria

Q.10:- Yellow colour of urine is due to presence of ?

  1. Urochrome
  2. Blood
  3. Cholesterol
  4. Bile

Q.11:- The basic functional unit of kidney is ?

  1. Loop of Henele’s
  2. Nephron
  3. Nephridium
  4. Pyramid

Q.12:- Sweating is important for ? [SSC Mat Exam 2002]

  1. Improvement of normal health
  2. To open the pore of skin
  3. To control the temperature of body
  4. To excrete the smell of body

Q.13:- Respiration is controlled by  _______ part of brain ? [SSC Exam 2015]

  1. Hypothalamus
  2. Cerebellum
  3. Medulla Oblongata
  4. Olfactory Lobes

Q.14:- Which of the following is known as master gland in man ? [RRB 2004, 2006 Exam]

  1. Pancreas
  2. Pituitary
  3. Adrenal
  4. Thyroid
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Q.15:- Which one of the following is a membrane that protect the developing embryo from desiccation ? [IAS Exam 1995]

  1. Amnion
  2. Allantdis
  3. Chorion
  4. Yolk Sac

Q.16:- Which of the following hormone is injected into cow and buffalo during milking ? [UPPCS Exam 1997]

  1. Somatotropin
  2. Oxytocin
  3. Interferon
  4. Insulin

Q.17:- Which one of the following is not a digestive enzyme in human system ? [IAS (Pre) Exam 2007]

  1. Trypsin
  2. Gastrin
  3. Ptyalin
  4. Pepsin

Q.18:- Which one of the following is known as power house of cell ?

  1. Golgi Bodies
  2. Nucleolus
  3. Mitochondria
  4. Ribosomes

Q.19:- All life forms contain ‘Molecules of Life’. These are ? [NDA Exam 2015]

  1. Carbohydrates
  2. Proteins
  3. Nucleic Acids
  4. All of these

Q.20:- “Barr Body” is found in ? [BSSC Exam 2015]

  1. Sperm
  2. Sertoli Cells
  3. Female Somatic Cells
  4. Male Somatic Cells

Q.21:- Which of the following structures is present in mitochondria ?

  1. Quantasones
  2. Oxysomes
  3. Polysomes
  4. Dictyosomes
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Q.22:- As compared to mitosis, meiosis has ?

  1. Exchange of chromatid segments
  2. No telophase
  3. Daughter cells similar to parent cells
  4. Duplication of chromosomes occurs during anaphase

Q.23:- Which one of the following antimicrobial drug is suitable for treatment of both tuberculosis and leprosy ? [IAS (Pre) Exam 1995]

  1. Isoniazid
  2. P-Aminosalicylic Acid
  3. Streptomycin
  4. Rifampicin

Q.24:- Collage is ?

  1. Fibrous Protein
  2. Fat
  3. Epithelial
  4. None of these

Q.25:- When an ants bits, they inject ? [IAS (Pre) Exam 1999]

  1. Glacial Acetic Acid
  2. Methanol
  3. Formic Acid
  4. Stearic Acid