MCQ’S ON MULTIPLE ALLELISM
1. A person with antigens A and B and no antibodies belongs to blood group or in which blood group antibodies are absent
(a) O
(b) AB
(c) B
(d) A
Answer: (b)
2. Inheritance of ABO blood group system is an example of
(a) dominance
(b) epistasis
(c) partial dominance
(d) multiple allelism
Answer: (d)
3. During the serological test in which anti-human serum is mixed with the blood of another animal, the blood of this animal gives the thickest precipitate
(a) mule
(b) dog
(c) chimpanzee
(d) gibbon
Answer: (c)
4. In disputed parentage, blood group analysis of mother, alleged father and child can
(a) not be of any use
(b) only prove that he cannot be the father
(c) certainly prove a man to the father
(d) none of these
Answer: (b)
5. This is the genotype of blood group A
(a) IA IA|
(b) IA IO|
(c) IB IB|
(d) IA IA| or IA IO|
Answer: (d)
6. If a patient with blood group B requires an immediate blood transfusion, this type can be given
(a) AB and B
(b) AB and A
(c) AB and O
(d) B and O
Answer: (d)
7. In men, this is genetically dominant
(a) Albinism
(b) Haemophilia
(c) Rh positive
(d) color blindness
Answer: (c)
8. Color of the skin in humans is regulated by
(a) polygenic effect
(b) lethal genes
(c) multiple genes
(d) none of the above
Answer: (c)
9. The recessive character typically is expressed only when present in a double recessive condition. But, a single recessive gene can express itself in humans when genes are found on
(a) either on autosome or X chromosome
(b) X chromosome of male
(c) X chromosome of female
(d) any autosome
Answer: (b)
10. Two allelic genes are situated on
(a) any two chromosomes
(b) two non-homologous chromosomes
(c) two homologous chromosomes
(d) same chromosomes
Answer: (c)
MCQ’S ON MYCOPLASMA
1. Mycoplasma is
(a) eukaryotic and unicellular
(b) prokaryotic and unicellular
(c) prokaryotic and multicellular
(d) eukaryotic and multicellular
Answer: (b)
2. The “witches broom” of legumes is caused by a
(a) fungus
(b) bacterium
(c) mycoplasma
(d) virus
Answer: (c)
3. This species of mycoplasma causes human sterility
(a) T.mycoplasma
(b) M.fermentans
(c) M.hominis
(d) all of the above
Answer: (d)
4. In mycoplasma, the elementary cell body performs the function of
(a) respiration
(b) reproduction
(c) excretion
(d) metabolism
Answer: (b)
5. This is called “Jockers of microbiological park”
(a) nostoc
(b) mycoplasma
(c) bacteria
(d) none of these
Answer: (b)
6. These are osmotically inactive
(a) nostoc
(b) mycoplasma
(c) bacteria
(d) all of these
Answer: (b)
7. Vancomycin and Penicillin do not affect the mycoplasma as
(a) there is no Golgi body
(b) there are no mitochondria
(c) there is no nucleus
(d) there is no cell wall
Answer: (d)
8. This is a bacteria without cell wall
(a) cyanobacteria
(b) mycoplasma
(c) viroid
(d) virus
Answer: (b)
9. Little leaf of brinjal is caused by
(a) algae
(b) fungus
(c) mycoplasma
(d) virus
Answer: (c)
10. This is the smallest organism capable of autonomous growth and reproduction
(a) mycoplasma
(b) viroid
(c) virus
(d) none of these
Answer: (a)
MCQ’S ON FLORAL FORMULA
1. Tricarpellary, syncarpous gynoecium is found in the flowers of
(a) Liliaceae
(b) Poaceae
(c) Fabaceae
(d) Solanaceae
Answer: (a)
2. Perigynous flowers are found in________.
(a) Rose
(b) China rose
(c) Cucumber
(d) Guava
Answer: (a)
3. Tulip, onion, cucumber, guava, potato, brinjal, mustard, china rose – amongst these, how many have superior ovary?
(a) Six
(b) Five
(c) Four
(d) Three
Answer: (a)
4. Standard petal of a papilionaceous corolla is known as_______.
(a) Carina
(b) Corona
(c) Vexillum
(d) Pappus
Answer: (c)
5. Free-central placentation is found in_______.
(a) Citrus
(b) Brassica
(c) Argemone
(d) Dianthus
Answer: (d)
6. _________ is the large shield-shaped cotyledon, the wheat grain possesses in its embryo
(a) coleoptile
(b) scutellum
(c) coleorhiza
(d) epiblast
Answer: (b)
7. These flowers show radial symmetry______.
(a) Cassia
(b) Pisum
(c) Trifolium
(d) Brassica
Answer: (d)
8. Keel is the characteristics feature of the flower of_______.
(a) tomato
(b) aloe
(c) Indigofera
(d) tulip
Answer: (c)
9. These many plants among Salvia, Sesbania, Mustard, Indigofera, Aloe, Allium, groundnut, turnip, and radish gram possess stamens with diverse lengths in their flowers
(a) six
(b) five
(c) four
(d) three
Answer: (c)
10. floral formula is the floral formula of:
(a) Brassica
(b) Petunia
(c) Sesbania
(d) Allium
Answer: (b)
