Biology Practice Test 10

Q. 1
Proteins having a polyhistidine tail can be separated by affinity chromatography using
  • a. Cadmium
  • b. Silver
  • c. Iron
  • d. Lead
  • e. Nickel
  • Answer: A

Q. 2
The metal ion present at the centre of porphyrin ring of chlorophyll is
  • a. Fe
  • b. Mg
  • c. Co
  • d. Cu
  • e. Mn
  • Answer: A

Q. 3
Which of the following protects membrane lipids from free radicals?
  • a. Vitamin A
  • b. Vitamin B1
  • c. Vitamin D
  • d. Vitamin E
  • e. Vitamin K
  • Answer: A

Q. 4
Proteins are transported from endoplasmic reticulum to golgi complex by
  • a. Ribosomes
  • b. Lysosomes
  • c. Vesicles
  • d. Mitochondria
  • e. Microtubles
  • Answer: A

Q. 5
Synthesis of ATP takes place in
I. Chloroplast
II. Mitochondria
III. Golgi apparatus
IV. Endoplasmic reticulum
V. Ribosome
  • a. Both I and II
  • b. Both II and III
  • c. II, III and IV
  • d. I, III and V
  • e. Only II
  • Answer: A

Q. 6
Presence of pentamerous radial symmetry is a characteristic feature of
  • a. Phylum Chordata
  • b. Phylum Annelida
  • c. Phylum Echinodermata
  • d. Phylum Mollusca
  • e. Phylum Arthropoda
  • Answer: A

Q. 7
Climax community is
  • a. A stable mature ecological community
  • b. An unstable ecological community
  • c. A community with endangered species
  • d. A community with extinct species
  • e. A community with vulnerable species
  • Answer: A

Q. 8
Haversian canal is present in
  • a. Eyes
  • b. Lungs
  • c. Heart
  • d. Cartilage tissue
  • e. Bone
  • Answer: A

Q. 9
The genes that are not present in the nucleus are called
  • a. Extranuclear genes
  • b. Suppressor genes
  • c. Multiple genes
  • d. Transgenes
  • e. Internuclear genes
  • Answer: A

Q. 10
Vitellogenesis is the
  • a. Process of formation of gametes
  • b. Process of formation of placenta
  • c. Process of storage of food in growing oocytes of oviparous animals
  • d. Process of shedding of endometrial wall
  • e. Process of hatching of egg
  • Answer: A

Q. 11
Morphogens are the substances that________
  • a. Regulate cell fate during embryogenesis
  • b. Cause damage to the developing embryo
  • c. Provide nutrition to the fetus
  • d. Suppress the growth of embryo
  • e. Produce hormones for embryogenesis
  • Answer: A

Q. 12
Which of the following enzymes is responsible for removing the RNA primer during DNA replication?
  • a. RNA polymerase
  • b. Helicase
  • c. Topoisomerase
  • d. RNase H
  • e. Primase
  • Answer: A

Q. 13
The liquid that is present in the space between the cornea and lens of eyes is
  • a. Aqueous humor
  • b. Vitreous humor
  • c. Cerebrospinal fluid (CSF)
  • d. Synovial fluid
  • e. Interstitial fluid
  • Answer: A

Q. 14
Ozone in the atmosphere is formed by chemical reactions involving
  • a. Water and oxygen
  • b. Ultraviolet radiation and oxygen
  • c. Hydrogen and oxygen
  • d. Infrared radiation and oxygen
  • e. Nitrogen and oxygen
  • Answer: A

Q. 15
The given diseases are caused due to bacteria except
  • a. Chicken pox
  • b. Botulism
  • c. Anthrax
  • d. Syphilis
  • e. Tuberculosis
  • Answer: A

Score: 0/15