Biology Selected Questions and Answers Set 12

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Q.1:- Which communicable disease is caused by bacteria ?

  1. Small Pox
  2. Mumps
  3. Leprosy
  4. Asthma

Q.2:- The fact that support the concept that viruses are living is that they ?

  1. Multiply themselves
  2. Made up of common chemical
  3. Cause disease
  4. Can pass through cell membrane

Q.3:- Insectivorous plant grow where ?

  1. Soil is deficient in Nitrogen
  2. Soil is deficient in Carbohydrate
  3. Vitamin C is required
  4. Hormones are required

Q.4:- An enzyme produced by HIV that allows the integration of HIV DNA into host cell’s DNA is ?

  1. Integrase
  2. Ligase
  3. Helicase
  4. DNA Gyrase

Q.5:- Main cereal crop of India is ?

  1. Rice
  2. Soyabean
  3. Millets
  4. Maiz

Q.6:- Damping off of seedlings is caused by ?

  1. Peronospola
  2. Pythium Debaryanum
  3. Albugo Candida
  4. Phytophthora Infestans

Q.7:- Living member of phloem tissue is ?

  1. Vessel
  2. Companion cell
  3. Sieve tube
  4. Fibers

Q.8:- Which of the following is not a gland ?

  1. Thyroid
  2. Gastrine
  3. Liver
  4. Pancreas

Q.9:- Enlargement of gland takes place due to deficiency of Iodine ?

  1. Thyroid
  2. Pituitary
  3. Adrenal
  4. Parotid

Q.10:- Female reproductive hormone is ?

  1. Estrogen
  2. Progestron
  3. Relaxin
  4. All of these

Q.11:- Malfunction of which organ causes diabetes ?

  1. Liver
  2. Pancreas
  3. Kidney
  4. Heart

Q.12:- Which organelles in the cell, other than nucleus contains DNA ?

  1. Centriole
  2. Golgi Apparatus
  3. Lysosomes
  4. Mitochondria

Q.13:- Pituitary gland is situated in ?

  1. Brain
  2. Throat
  3. Kidney
  4. Pancreas
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Q.14:- Growth hormone is secreted from ?

  1. Thyroid
  2. Adrenal
  3. Gonads
  4. Pituitary

Q.15:- The southern blot technique is used for the detection of ?

  1. DNA
  2. RNA
  3. Protein
  4. None

Q.16:- Introduction of foreign genes for improving genotype is ?

  1. Tissue culture
  2. Immunisation
  3. Biotechnology
  4. Genetic engineering

Q.17:- Which of the following is the smallest bird ?

  1. Pigeon
  2. House sparrow
  3. Humming Bird
  4. Parrot

Q.18:- Air pollution is indicated by ?

  1. Fern and Cycus
  2. Algae and Liverwort
  3. Lichens and Moss
  4. Neem

Q.19:- The wounds of face bleed profusely because ?

  1. Of its rich vascularity
  2. It is close to heart
  3. Its skin is soft
  4. Due to fast contraction of facial muscle

Q.20:- Which of the following disease can be transmitted from one person to another through tattooing ?

(1) Chikungunya

(2) Hapatitis B

(3) HIV AIDS

Select the correct answer using the codes given below :

  1. 1 Only
  2. 2 and 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Q.21:- Deficiency of which of the following causes xerophthelmia ?

  1. Vitamin B3
  2. Vitamin B12
  3. Vitamin A
  4. Vitamin C

Q.22:- Which of the following is not an insect borne disease ?

  1. Beri-Beri
  2. Kala Azar
  3. Malaria
  4. Plague

Q.23:- Vaccination is available against all of the following disease except ?

  1. Yellow Fever
  2. Typhoid Fever
  3. Malaria
  4. Hepatitis B

Q.24:- Fungus responsible for disease late blight of potato is ?

  1. Cercospora personata
  2. Phytophthora infestans
  3. Claviceps purpurea
  4. Sclerospora graminicola
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Q.25:- Element playing role in Nitrogen Fixation ?

  1. Mn
  2. Mo
  3. Zn
  4. Cu

 

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