The number of chromosomes in the shoot tip cells of a maize plant is 20. The number of chromosomes in the microspore mother cells of the same plant shall be Option 1 : 20Option 2 : 10Option 3 : 40Option 4 : 15
Q. Genomic DNA isolated from a bacterium was digested with a restriction enzyme that recognizes a 6-base pair (bp) sequence. Assuming random distribution of bases, the average length (in bp) of the fragments generated is Ans: 4096 to 4096
Which of the following is a post-fertilization event in flowering plants? Option 1 : Transfer of pollen grainsOption 2 : Embryo developmentOption 3 : Formation of flowerOption 4 : Formation of pollen grains
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Q. A single stem cell undergoes 10 asymmetric cell divisions. The number of stem cells at the end is Ans: 1 to 1
There are various types of reproduction. The type of reproduction adopted by an organism depends on Option 1 : The organism’s habitat, physiology and genetic makeup.Option 2 : The habitat and morphology of the organism.Option 3 : Morphology of the organism.Option 4 : Morphology and physiology of the organism.
Q. The absorbance of a solution of tryptophan measured at 280 nm in a cuvette of 2.0 cm path length is 0.56 at pH 7. The molar extinction coefficient (e) for tryptophan at 280 nm is 5600 M-1cm-1 at pH 7. The concentration of tryptophan (in µM) in the solution is Ans: 0.32 to
Identify the incorrect statement. Option 1 : In asexual reproduction, the offspring produced are morphologically and genetically identical to the parent.Option 2 : Zoospores are sexual reproductive structures.Option 3 : In asexual reproduction, a single parent produces offspring with or without the formation of gametes.Option 4 : Conidia are asexual structures in structures.
Q. The variable 𝑧 has a standard normal distribution. If 𝑃(0 ≤ 𝑧 ≤ 1) = 0.34, then 𝑃(𝑧2 > 1) is equal to (up to two decimal places) Ans: 0.32 to 0.32
The variable 𝑧 has a standard normal distribution. If 𝑃(0 ≤ 𝑧 ≤ 1)= 0.34 Read More »
Choose the correct statement from amongst the following: Option 1 : Dioecious (hermaphrodite) organisms are seen only in animals.Option 2 : Dioecious organisms are seen only in plants.Option 3 : Dioecious organisms are seen in both plants and animals.Option 4 : Dioecious organisms are seen only in vertebrates.
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There is no natural death in single celled organisms like Amoeba and bacteria because Option 1 : They cannot reproduce sexually.Option 2 : They reproduce by binary fission.Option 3 : Parental body is distributed among the offspring.Option 4 : They are microscopic.
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