Practice paper · Jabalpur region

Select the odd one from the following matches

1. ACopper-T: Release Cu++ which kill the sperms
2. BMultiload-375: Release Cu++ which reduced the sperm motility and prevents implantation.
3. CVasectomy: Sterilization of males
4. DTubectomy: Non-ideal contraception

In a population of 1000 individuals, the frequency of individuals showing a recessive traits (homozygous recessive, aa) is observed to be 9% (consider that the population is breeding randomly). Using Hardy-Weinberg equation, frequency of heterozygous population will be:

1. A0.3
2. B0.042
3. C0.09
4. D0.42

In a diploid human cell, number of Nucleosome units are roughly calculated as:

1. A6.6x10⁸/200
2. B6.6x10⁹/0.34
3. C6.6x10⁹/100
4. D6.6x10⁹/200

DNA fingerprinting techniques does not involve:

1. AIdentification of VNTRs
2. BHybridization of DNA with DNA probe
3. CWestern blotting
4. DAutoradiography

A genetic disorder which is expressed commonly in males, only females are carrier, skips generation can be:

1. AColor blindness
2. BSickle cell anemia
3. CHemophilia
4. DBoth a and c

…(a)…. is fermented by LAB to form ….(b)…. which is rich in … (c)…. Lactobacillus converts …(d)…….sugar to …(e)….. acid during fermentation process.

1. Aprotein; cheese; alcohol; glucose; Minerals
2. BChees; Yogurt; Vitamin–B12; lactose; lactic
3. CMilk; Yogurt; Minerals; lactose; Vitamin C
4. DMilk; Curd; Vitamin-B12; lactose; Lactic

In which of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery (fermentation and distillation factory) effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order:

1. ASE<PE<S<DE
2. BPE<S<SE<DE
3. CS<DE<PE<<SE
4. DSE<S<PE<DE

Which of the following is sourced from archaebacteria and serving for modern biotechnology:

1. AStatin
2. BTaq polymerase
3. CDNA dependent DNA polymerase III
4. DPrimase