HSSC Laboratory Asst. / Dt.-01-01-2023 Morning Shift (Cat. No. 11,12,13,14,15)Total Questions: 1001. Transgenic Drosophila can be created by microinjection of DNA into the embryos. These embryos are at which stage of development?(a) One-cell stage(b) Pre-blastoderm stage(c) Blastoderm stage(d) Morula stageCorrect Answer: (b) Pre-blastoderm stage2. Which of the following organisms neither have notochord nor vertebral column in the adult stage?(a) Cophalochordates(b) Herdmania(c) Petromyzon(d) BdellostomaCorrect Answer: (b) Herdmania3. The three derm layers, namely ectoderm, endoderm and mesoderm are found in -(a) all the chordates only(b) all the chordates except protochordates(c) all the chordates and higher invertebrates(d) higher chordates and higher invertebratesCorrect Answer: (c) all the chordates and higher invertebrates4. The geometrical device that helps to find out all the possible combinations of male and female gametes is known as -(a) Bateson square(b) Mendel square(c) Punnett square(d) Mendel's cubeCorrect Answer: (c) Punnett square5. Select the incorrect statement from the following -(a) Linkage is an exception to the principle of independent assortment in heredity(b) Galactosemia is an inborn error of metabolism(c) Small population size results in random genetic drift in a population(d) Baldness is a sex-limited traitCorrect Answer: (d) Baldness is a sex-limited trait6. Which one of the following conditions in humans is correctly matched with its chromosomal abnormality linkage?(a) Klinefelter's syndrome - 44 autosomes + XXX(b) Colour blindness - linked(c) Erythroblastosis foetalis - X linked(d) Down syndrome - 44 autosomes + XOCorrect Answer: (a) Klinefelter's syndrome - 44 autosomes + XXX7. Who among the following had organised, in 1904, a secret society of revolutionaries named Abhinav Bharat?(a) Har Dayal(b) V. D. Savarkar(c) Khudiram Bose(d) Shyamji Krishna VermaCorrect Answer: (b) V. D. Savarkar8. New Zealand is considered a part of which one of the following Island groups?(a) Hawaii Island Chain(b) Melanesia(c) Polynesia(d) MicronesiaCorrect Answer: (c) Polynesia9. Who among the following used the phrase 'UN-British' to criticise the English Colonial Control of India?(a) Dadabhai Naoroji(b) Anand Mohan Bose(c) Badruddin Tyabji(d) Pherozshah MehtaCorrect Answer: (a) Dadabhai Naoroji10. What is 'Super 301'?(a) American Trade Law(b) A new variety of wheat(c) A name of modern computer(d) A new vaccine for AIDSCorrect Answer: (a) American Trade LawSubmit Quiz12345678910Next »