MIUN Free NEET Quiz Unit 7

1. Flying squirrel is dissimilar to Flying phalanger.

2. The events following the emergence of the first forms of life are not conjectured from Darwinian ideas of organic evolution by natural selection.

3. Mendel used the term ‘alleles,’ now we call them as alleles.

4. Turner’s syndrome – Many “loops” on fingertips.

5. Some genes are linked to sex and are called sex-linked genes.

6. They can study all the genes in a genome, for example, all the transcripts in a particular tissue or organ or tumor, or how tens of thousands of genes and proteins work together in interconnected networks to orchestrate the chemistry of life.

7. Roman Numerals symbol in a pedigree tree used to number individuals within each generation.

8. First human-like being, the hominid, was called Australopithecus.

9. The offsprings are genetically identical to their parents.

10. When we see stars in the sky, we see them instantly and hence in the present time.

11. Mouse is a placental mammal.

12. The confirmation of his inferences from experiments on successive generations of his test plants, proved that his results pointed to general rules of inheritance rather than being unsubstantiated ideas.

13. Female honey bee can have grandfather and thus can have grandsons.

14. The availability of the HG sequence may have little impact and will not enable any new approach to biological research.

15. Mendel was the first to study the genetics phenomenon systematically.

16. Klinefelter’s syndrome – congenital heart disease.

17. The combinations of gametes are often represented in a Punnett Square.

18. Based on dihybrid cross observations, Mendel proposed that something was being stably passed down, unchanged, from parent to offspring through the gametes, over successive generations.

19. Mouse is dissimilar to Marsupial mouse.

20. Nucleic acids, which are not long polymers of nucleotides, do not serve essential functions in storing and transferring genetic information.

21. In dihybrid cross, F1 stage both the traits were expressed in the proportion 3:1.

22. With the understanding that genes are located on chromosomes, a strong correlation was established between Mendel’s laws and the segregation and assortment of chromosomes during meiosis.

23. Alfred Malthus, a naturalist who worked in the Archipelago, had also come to conclusions similar to Darwin around the same time.

24. After hybridisation with VNTR probe, the autoradiogram gives many bands of same sizes in DNA fingerprinting.

25. Complementarity does not mean identical.

26. All recessive has homozygous allele, but all homozygous alleles are not recessive.

27. Flower colour is a character.

28. Mendel investigated characters in the garden pea plant that were manifested as two non-opposing traits, e.g., tall or dwarf plants, yellow or green seeds.

29. Koala is a marsupial mammal.

30. If we use alphabetical symbols for each gene, then the small letter is used for the trait not expressed at the F1 stage and the capital alphabet for the other trait.

31. Fossils discovered in Bhimbetka in 1891 revealed Homo habilis lived about 15 mya, had a cranial capacity of 900cc, probably ate meat.

32. Similar proteins in dissimilar organisms performing similar functions is an example of convergent evolution.

33. Biochemical dissimilarities are pointing to the different shared ancestry as structural similarities among diverse organisms.

34. In all cases, the sequences of the operator bind an activator protein.

35. Down’s syndrome karyotype is 45, XO,-21.

36. Genes which code for a pair of contrasting traits are known as alleles, i.e., they are slightly different forms of the same gene.

37. First human-like being, the hominid, was called Homo erectus.

38. The DNA fragment’s’ sequences were then arranged not based on the overlapping regions present in them.

39. In dihybrid cross, F2 stage both the traits were expressed in the proportion 3:1.

40. Both the DNA strands are not copied during transcription.

41. Alfred Urey, a naturalist who worked in Galapagos Archipelago, had also come to conclusions similar to Darwin around the same time.

42. In phenylketonuria patients, phenylalanine is converted into phenyl pyruvic acid and other derivatives.

43. In the past, researchers did not limit their studies to one or a few genes at a time.

44. Currently, few different probes are used to generate DNA fingerprints.

45. Square symbol in a pedigree tree, represents a female.

46. Phenylketonuria is inborn error of metabolism is also inherited as the autosomal recessive trait.

47. Huge clusters of galaxies comprise the earth.

48. Genes contain the information that is required to express a particular trait in an organism.

49. In pea plants the pair of alleles for stem height would be TT, Tt or tt.

50. Klinefelter’s Syndrome – characteristic palm crease.