The sides of a triangle are 3 cm, 4 cm and 5 cm. The area (in cm2) of the triangle formed by joining the mid points of this triangle is :

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#Question id: 14759

#Unit 5. Developmental Biology

Which of the following mechanical agent creates cleavage furrow during cleavage?

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#Question id: 27938

#Unit 9. Diversity of Life Forms

Those species which look alike or morphologically similar but cannot breed with each other, such type species is called______

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#Question id: 23101

#Unit 2. Cellular Organization

Choose the incorrect statement 

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#Question id: 27103

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is longest turns

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#Question id: 5298

#Unit 8. Inheritance Biology

Four E. coli strains of genotype a+ b− are labeled 1, 2, 3, and 4. Four strains of genotype a− b+ are labeled 5, 6, 7, and 8. The two genotypes are mixed in all possible combinations and (after incubation) are plated to determine the frequency of a+ b+ recombinants. The following results are obtained, where M = many recombinants, L = low numbers of recombinants, and 0 = no recombinants. On the basis of these results, assign a sex type (either Hfr, F+, or F−) to each strain