Correct option: 2 Explanation: Hydra and yeast reproduce asexually by budding. Formation of a bud takes place on the body of hydra and cells of yeast. It grows and when reaches a specific size it...
Q33) In ornithophilous plants, flowers lack ______ . 1. Sticky pollen grains 2. Nectar 3. Bright color 4. Fragrance
Correct option: 4 Explanation: In ornithophilous plants, flowers lack fragrance. Such flowers secrete profuse dilute nectar. They do not have any smell as birds have a poor sense of smell.
Q32) Mortality of a region is assesses by ______ individuals per unit area per unit time. 1. Births 2. Immigration 3. Emigration 4. Deaths
Correct option: 4 Explanation: Mortality of a region is assesses by deaths individuals per unit area per unit time. The number of fatalities in a given area per unit of time is referred to as...
Q30) Which of the following is not involved in glycolysis? 1. Release of water 2. Utilization of ATP 3. Formation of ATP 4. Release of CO2
Correct option: 4 Explanation: Release of CO2 is not involved in glycolysis. Glycolysis takes place in cytoplasm, and produces 2ATP and 6NADH.
Q29) With reference to human beings, find out the mis-match pair. 1. Insemination – discharge of semen into the vagina of a female. 2. Implantation – setting of zygote in the endometrium uterus 3. Menopause – total arrest of menstrual cycle forever. 4. Menarche – beginning of menstrual cycle for the first time in life
Correct option: 1 Explanation: Implantation is the attachment of the fertilized egg to the uterine lining. The zygote usually implants at the top of the uterus, near where it exits the fallopian...
Q28) Gargi constructed m-RNA in laboratory. Which of the following codons will she have as initiating and terminating the m-RNA respectively. 1. AUG – UAG 2. GUG – UAC 3. UAC – AUG 4. AUG – UCA
Correct option: 1 Explanation: AUG – UAG will be the codons as initiating and terminating the m-RNA respectively.
Q27) Cretaceous, Jurassic and Triassic periods are included in the _______ era. 1. Palaeozoic 2. Mesozoic 3. Proterozoic. 4. Cenozoic
Correct option: 2 Explanation: Cretaceous, Jurassic and Triassic periods are included in the Mesozoic era. Mesozoic means middle life and this is the time of the dinosaurs. During this era, the land...
Q26) Match the correct phenotype and genotype of Drosophilia for their wing sizes. Phenotype Genotype i) Normal wings a) vgno ii) Nicked wings b) vg iii) Notched wings c) vg+ iv) Strap wings d) vgst v) Vestigial wing e) vgni 1. (i)-e, (ii)-d, (iii)-c, (iv)-b, (v)-a 2. (i)-a, (ii)-b, (iii)-c, (iv)-d, (v)-e 3. (i)-d, (ii)-a, (iii)-b, (iv)-e, (v)-c 4. (i)-c, (ii)-e,MHCET(iii)-a, (iv)-d, (v)-b
Correct option: 4 Explanation: In Drosophilia normal wings are related to vg+( vestigial wings ). In Drosophilia nicked wings are related to vgni In Drosophilia notched wings are related to vgno In...
Q25) Lemurs are found in ________ . 1. Central America 2. East Indies 3. Madagascar 4. South Africa
Correct option: 3 Explanation: Lemurs are primates present mainly on the African island of Madagascar. Lemurs include monkeys, apes, and humans.