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In tomato plant, red (R) is dominant over yellow (r) for fruit color and purple (P) is dominant over green (p) for stem color. Fruit color and stem color assort independently. The number of progeny plants of different fruit/stem colors obtained from a mating are as follows:
Red fruit, purple stem - 145
Red fruit, green stem - 184
Yellow fruit, purple stem - 66
Yellow fruit, green stem - 47
What are the genotypes of the parent plants in this mating?
Empirical studies have shown that the women students are underrepresented in the disciplines such as science, technology, engineering, and mathematics (STEM). Its possible reasons could be (A) Women students do not feel comfortable with STEM subjects. (B) Women students cannot excel in STEM subjects (C) Women students lack aptitude in STEM subjects (D) Women students face threats due to negative stereotypes. (E) Women students are not encouraged by their parents to join STEM disciplines. Choose the correct answer from the options given below:
With reference to 'stem cells', frequently in the news, which of the following statements is/are correct? 1. Stem cells can be derived from mammals only. 2. Stem cells can be used for screening new drugs. 3. Stem cells can be used for medical therapies. Select the correct answer using the codes given below.
With reference to 'stem cells', frequently in the news, which of the following statement(s) is/are correct?
1. Stem cells can be derived from mammals only.
2. Stem cells can be used for screening new drugs.
3. Stem cells can be used for medical therapies.
Select the correct answer:
Which among the following is an example of modified underground stem?
An example of modified underground stem is
In a certain coding language, ‘potato is a stem’ is written as 6987, ‘a tree has a stem’ is '34688 and ‘tree is brown’ is 724. Which digit represents ‘stem’?
Consider the following regarding the stem in plants.  I. It is positively phototrophic.  II. Onion is a kind of modified stem.  III. It develops from plumule.  Which among the above is/are correct?
Which state will construct 1000 water recharge bores in underground water-deficient areas of the state to recharge underground water with rainfall?
Women have now been allowed to work in opencast and underground mine. Under which act was the employment of women in underground mines restricted?