Under normal physiological conditions in human being every `` 100 \,ml `` of oxygenated blood can deliver ___ `` ml `` of `` O _{2} `` to the tissues.
(A) `` 10 \,ml ``
(B) `` 2\, ml ``

(C) `` 5 \,ml ``
(D) `` 4 \,ml ``

Nitrogenous waste is excreted in the form of pellet or paste by:

(A)Pavo
(B)Ornithorhynchus
(C)Salamandra
(D)Hippocampus

Which of the following is present between the adjacent bones of the vertebral column?
(A)Smooth muscle
(B)Intercalated discs

(C)Cartilage
(D)Areolar tissue

In-situ conservation refers to :
(A)Conserve only extinct species

(B)Protect and conserve the whole ecosystem
(C)Conserve only high risk species
(D)Conserve only endangered species

Given below are two statements: Statement I: Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies. Statement II : Rheumatoid arthritis is a condition where body does not attack self cells. In the light of the above statements, choose the most appropriate answer from the options given below :
(A)Statement I is incorrect but Statement II is correct
(B)Both Statement I and Statement II are correct
(C)Both Statement I and Statement II are incorrect

(D)Statement I is correct but Statement II is incorrect

Which of the following is not the function of conducting part of respiratory system?

(A)Provides surface for diffusion of `` O _{2} `` and `` CO _{2} ``
(B)It clears inhaled air from foreign particles
(C)Inhaled air is humidified
(D)Temperature of inhaled air is brought to body temperature

Given below are two statements: Statement I : The coagulum is formed of network of threads called thrombins. Statement II : Spleen is the graveyard of erythrocytes. In the light of the above statements, choose the most appropriate answer from the options given below:

(A)Statement I is incorrect but Statement II is correct
(B)Both Statement I and Statement II are correct
(C)Both Statement I and Statement II are incorrect
(D)Statement I is correct but Statement II is incorrect

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): All vertebrates are chordates but all chordates are not vertebrates. Reason (R) Notochord is replaced by vertebral column in the adult vertebrates. In the light of the above statements, choose the most appropriate answer from the options given below:
(A)(A) is not correct but (R) is correct
(B)Both (A) and (R) are correct and (R) is the correct explanation of (A)

(C)Both (A) and (R) are correct but (R) is not the correct explanation of (A)
(D)(A) is correct but (R) is not correct

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Osteoporosis is characterised by decreased bone mass and increased chances of fractures. Reason (R): Common cause of osteoporosis is increased levels of estrogen. In the light of the above statements, choose the most appropriate answer from the options given below :
(A)(A) is not correct but (R) is correct
(B)Both (A) and (R) are correct and (R) is the correct explanation of (A)
(C)Both (A) and (R) are correct but (R) is not the correct explanation of `` ( A ) ``

(D)(A) is correct but (R) is not correct

Given below are two statements : Statement I: Mycoplasma can pass through less than `` 1 `` micron filter size. Statement II : Mycoplasma are bacteria with cell wall In the light of the above statements, choose the most appropriate answer from the options given below :
(A)Statement I is incorrect but Statement II is correct
(B)Both Statement I and Statement II are correct
(C)Both Statement I and Statement II are incorrect

(D)Statement I is correct but Statement II is incorrect

A dehydration reaction links two glucose molecules to produce maltose. If the formula for glucose is `` C _{6} H _{12} O _{6} `` then what is the formula for maltose?
(A) `` C _{12} H _{24} O _{11} ``
(B) `` C _{12} H _{20} O _{10} ``
(C) `` C _{12} H _{24} O _{12} ``

(D) `` C _{12} H _{22} O _{11} ``

Regarding Meiosis, which of the statements is incorrect?
(A)Four haploid cells are formed at the end of Meiosis-II
(B)There are two stages in Meiosis, Meiosis-I and II

(C)DNA replication occurs in `` S `` phase of Meiosis-II
(D)Pairing of homologous chromosomes and recombination occurs in Meiosis-I

Natural selection where more individuals acquire specific character value other than the mean character value, leads to:
(A)Random change
(B)Stabilising change

(C)Directional change
(D)Disruptive change

In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because:

(A)Genetically engineered lymphocytes are not immortal cells.
(B)Retroviral vector is introduced into these lymphocytes.
(C)Gene isolated from marrow cells producing ADA is introduced into cells at embryonic stages
(D)Lymphocytes from patient's blood are grown in culture, outside the body.