Which of the following is/are male gametes?
Which of the following is/are male gametes? Option 1 : AntherozoidsOption 2 : EggOption 3 : ZygoteOption 4 : Ovum
The components of stress in a body under plane stress condition, in the absence of body forces is given by
Q. The components of stress in a body under plane stress condition, in the absence of body forces, is given by: 𝜎𝑥𝑥 = 𝐴𝑥2; 𝜎𝑦𝑦 = 12𝑥2 − 6𝑦2 and 𝜎𝑥𝑦 = 12𝑥𝑦. The coefficient, A, such that the body is under equilibrium is Ans: -6.0 to -6.0
Pre-fertilization events among these are
Pre-fertilization events among these are Option 1 : EmbryogenesisOption 2 : SyngamyOption 3 : Formation of zygoteOption 4 : Gametogenesis and gamete transfer
A cantilever beam having a rectangular cross-section of width 60 mm and depth 100 mm is made of aluminum alloy
Q. A cantilever beam having a rectangular cross-section of width 60 mm and depth 100 mm, is made of aluminum alloy. The material mechanical properties are: Young’s modulus, E = 73 GPa and ultimate stress, 𝜎𝑢 = 480 MPa. Assuming a factor of safety of 4, the maximum bending moment (in kN-m) that can be
Gametes are generally
Gametes are generally Option 1 : TriploidOption 2 : HaploidOption 3 : HexaploidOption 4 : Diploid
‘Humans’ are
‘Humans’ are Option 1 : Continuous breederOption 2 : Seasonal breederOption 3 : Both (a) and (b)Option 4 : None of these
Which of the following can be considered as one of the parameter of senescence or old age?
Which of the following can be considered as one of the parameter of senescence or old age? Option 1 : Slowing of metabolism due to diseaseOption 2 : End of reproductive phaseOption 3 : Hormonal imbalanceOption 4 : End of juvenile or vegetative phase
Find the correct statement.
Find the correct statement. Option 1 : Perennial plants show clear cut vegetative, reproductive and senescent phase.Option 2 : Female of non-primates shows cyclical changes during reproductive phase which is known as menstrual cycle.Option 3 : Birds in captivity can be made to lay eggs throughout the year.Option 4 : ‘Reproductive phase’ is of same
Most wild mammals are
Most wild mammals are Option 1 : Continuous breederOption 2 : Continuous for half year, seasonal for next half yearOption 3 : Seasonal breederOption 4 : None of these
The diagram shows:
The diagram shows: Option 1 : Conidia of PenicilliumOption 2 : Gemmules in spongeOption 3 : Zoospores of hydraOption 4 : Zoospores of chlamydomonas