Genetics and Evolution-Heredity and Variation [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology]: Questions 23 - 27 of 95
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Question 23
Question MCQ▾
The genotypes of a plant variety were TtHh, Tthh, ttHh, and tthh, where T = tallness and H = hairy stem. Which one of the following crosses would produce progeny giving a phenotypic ratio approximately 1: 1: 1: 1?
Choices
Choice (4) | Response | |
---|---|---|
a. | TtHh x tthh | |
b. | TtHh x TTHh | |
c. | TtHh x ttHh | |
d. | TtHh x TtHh |
Question 24
Question MCQ▾
The branch of botany dealing with heredity and variation is called?
Choices
Choice (4) | Response | |
---|---|---|
a. | Evolution | |
b. | Geobotany | |
c. | Genetics | |
d. | Sericulture |
Question 25
Question MCQ▾
From single ear of corn, a farmer planted 200 kernels which produced 140 tall and 40 dwarf plants. The genotype of these offsprings are most likely
Choices
Choice (4) | Response | |
---|---|---|
a. | TT and tts | |
b. | TT, Tt and tt | |
c. | Tt and tt | |
d. | TT and Tt |
Question 26
Question MCQ▾
In 1990 A. D. three biologists independently discovered Mendel՚s principles. They are
Choices
Choice (4) | Response | |
---|---|---|
a. | Sutton, Morgan and Bridges. | |
b. | Bateson, Punnet and Bridgess. | |
c. | De Vries, Correns and Tschermak. | |
d. | Avery, McLeod and McCarthy. |
Question 27
Question MCQ▾
Kappa particles indicate
Choices
Choice (4) | Response | |
---|---|---|
a. | Mutation | |
b. | Cytoplasmic inheritance | |
c. | Nuclear inheritance | |
d. | Nucleo-cytoplasmic inheritance |