Question

D. X: cows, Y: saprophytic fungi and Z: bacteria 20. Two unique reptilian species ( P and Q ) reproduce in ambient temperature range ( \( 31{ }^{\circ} \mathrm{C} \) to \( 35{ }^{\circ} \mathrm{C} \) only). A group of scientists found a strange observation regarding the 'male to female ratio' as obtained from fertilized eggs artificially hatched within laboratory incubators, as shown in the figure below. The maximum life span of these reptiles is 5 years. 50 male and 50 female adults each of species \( P \) and \( Q \) were used to start a 10 year long study. The eggs were always hatched in incubators during this study. In the absence of any other factors, which of the following possible outcome(s) is/are correct? [NEST 2016] A. If the temperature of the incubator is strictly maintained at \( 33{ }^{\circ} \mathrm{C} \) for 10 consecutive years, the species \( \mathbf{P} \) is expected to have more males than in species Q. B. If the temperature of the incubator is strictly maintained at \( 31{ }^{\circ} \mathrm{C} \) for 10 consecutive years, there will be more males in species \( P \) than in species \( Q \). C. If the temperature of the incubator is strictly maintained at 31 - C for 10 consecutive years, then both P and \( Q \) will not survive in the lab. D If the temperature of the incubator is strictly maintained at \( 31{ }^{\circ} \mathrm{C} \) and \( 35{ }^{\circ} \mathrm{C} \) for every alremate year (for a total of 10 years), there will be more males in species \( P \) than species \( Q \).

          D. X: cows, Y: saprophytic fungi and Z: bacteria
20. Two unique reptilian species ( P and Q ) reproduce in ambient temperature range ( \( 31{ }^{\circ} \mathrm{C} \) to \( 35{ }^{\circ} \mathrm{C} \) only). A group of scientists found a strange observation regarding the 'male to female ratio' as obtained from fertilized eggs artificially hatched within laboratory incubators, as shown in the figure below.

The maximum life span of these reptiles is 5 years. 50 male and 50 female adults each of species \( P \) and \( Q \) were used to start a 10 year long study. The eggs were always hatched in incubators during this study. In the absence of any other factors, which of the following possible outcome(s) is/are correct?
[NEST 2016]
A. If the temperature of the incubator is strictly maintained at \( 33{ }^{\circ} \mathrm{C} \) for 10 consecutive years, the species \( \mathbf{P} \) is expected to have more males than in species Q.
B. If the temperature of the incubator is strictly maintained at \( 31{ }^{\circ} \mathrm{C} \) for 10 consecutive years, there will be more males in species \( P \) than in species \( Q \).
C. If the temperature of the incubator is strictly maintained at 31 - C for 10 consecutive years, then both P and \( Q \) will not survive in the lab.
D If the temperature of the incubator is strictly maintained at \( 31{ }^{\circ} \mathrm{C} \) and \( 35{ }^{\circ} \mathrm{C} \) for every alremate year (for a total of 10 years), there will be more males in species \( P \) than species \( Q \).

D. X: cows, Y: saprophytic fungi and Z: bacteria
20. Two unique reptilian species ( P and Q ) reproduce in ambient temperature range ( 31^∘C to 35^∘C only). A group of scientists found a strange observation regarding the 'male to female ratio' as obtained from fertilized eggs artificially hatched within laboratory incubators, as shown in the figure below.

The maximum life span of these reptiles is 5 years. 50 male and 50 female adults each of species P and Q were used to start a 10 year long study. The eggs were always hatched in incubators during this study. In the absence of any other factors, which of the following possible outcome(s) is/are correct?
[NEST 2016]
A. If the temperature of the incubator is strictly maintained at 33^∘C for 10 consecutive years, the species 𝐏 is expected to have more males than in species Q.
B. If the temperature of the incubator is strictly maintained at 31^∘C for 10 consecutive years, there will be more males in species P than in species Q.
C. If the temperature of the incubator is strictly maintained at 31 - C for 10 consecutive years, then both P and Q will not survive in the lab.
D If the temperature of the incubator is strictly maintained at 31^∘C and 35^∘C for every alremate year (for a total of 10 years), there will be more males in species P than species Q.

Added by John D.

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