Microbes in Human Welfare Questions and Answers

1. Which of the following in sewage treatment removes suspended solids? A. Tertiary treatment B. Secondary treatment C. Primary treatment D. Sludge treatment 2. Which of the following is correctly matched for the product produced by them? A. Acetobacter aceti : Antibiotics B. Methanobacterium : Lactic acid C. Penicillium notatum : Acetic acid D. Sacchromyces

Strategies for Enhancement in Food Production

1. Artificial selection to obtain cows yielding higher milk output represents— A. stabilizing selection as it stabilizes this B. character in the population. C. directional as it pushes the mean of the character in one direction D. disruptive as it splits the population into two, one yielding higher output and the other lower output. E.

Human Health and Disease

1. MALT constitute about _____________ percent of the lymphoid tissue in human body. A. 50% B. 20% C. 70% D. 10% 2. Transplantation of tissues/organs fails often due to non-acceptance by the patient’s body. Which type of immune-response is responsible for such rejections? A. Autoimmune-response B. Cell-mediated immune response C. Hormonal immune response D. Physiological

Evolution Questions and Answers

1. Find the mis-match from the following pairs— A. Natural selection ——> Industrial melanism B. Divergent evolution —> Thorn of Bougainvillia and tendril of Cucurbita C. Genetic drift —> constant gene frequency D. Adaptive radiation —> Australian marsupials 2. Which one of the following is reptilian ancestor of birds? A. Hesperornis B. Ichthyornis C. Archaeopteryx

Molecular Basis of Inheritance

1. Which of the following RNAs should be most abundant in animal cell? A. r-RNA B. t-RNA C. m-RNA D. mi-RNA 2. The final proof for DNA as the genetic material came from the experiments of- A. Griffith B. Hershey and Chase C. Avery, Mcleod and McCarty D. Hargobind Khorana 3. During DNA replication, Okazaki

RailTel Deputy Manager Previous Year Question Papers

Railtel Corporation Of India Limited is inviting application for the post of Deputy Manager. Interested and eligible candidates may apply within 23-February-2022. Before apply you must visit Railtel Corporation Of India Limited Official Website to know details advertisement. The Railtel Corporation Of India Limited Previous Year Question Paper Pdf is available here for download. Applicants

Principles of Inheritance

1. The gene for haemophilia is located on ‘X’chromosome. Hence it is normally impossible for a A. carrier mother to pass the gene to her son B. haemophilic father to pass the gene to his daughter C. haemophilic father to pass the gene to his son D. carrier mother to pass the gene to her

OPTCL Junior Management Trainee (Electrical) Previous Year Question

Odisha Power Transmission Corporation Limited is inviting application for the post of Junior Management Trainee (Electrical). Interested and eligible candidates may apply within 10-February-2022. Before apply you must visit Odisha Power Transmission Corporation Limited Official Website to know details advertisement. Download Odisha Power Transmission Corporation Limited Previous Papers for Junior Management Trainee (Electrical) Posts. Applicants

Reproductive Health

1. In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilisation? A. Intrauterine transfer B. Gamete intracytoplasmic fallopian transfer C. Artificial Insemination D. Intracytoplasmic sperm injection 2. The function of copper ions in copper releasing IUD’s is— A. they suppress sperm motility and

Human Reproduction

1. Ectopic pregnancies are referred to as- A. implantation of defective embryo in the uterus B. pregnancies terminated due to hormonal imbalance C. pregnancies with genetic abnormality D. implantation of embryo at site other than uterus. 2. Which of the following events is not associated with ovulation in human female? A. Release of secondary oocyte