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Doctors Medicines MCQs Q&A

Consider the following statements and choose the correct answer:
1. The integuments of the ovule become dry and firm, the seed coat
2. Insoluble food is formed in the ovule as a result of dehydration
3. In endospermic seeds the insoluble food is stored in cotyledons
4. The ovary wall forms the fruit wall which may be hard or fleshy

Consider the following statements and choose the correct answer:
1. The integuments of the ovule become dry and firm, the seed coat
2. Insoluble food is formed in the ovule as a result of dehydration
3. In endospermic seeds the insoluble food is stored in cotyledons
4. The ovary wall forms the fruit wall which may be hard or fleshy Correct Answer Only 1, 2 and 4 are true

Related Questions

Consider the following statements regarding the changes which usually occur in the ovule during the development of seed and choose the correct answer:
1. The zygote develops into a fruit
2. The seeds having copious amounts of endosperm tissue are called exalbuminous
3. The exalbuminous seeds usually store reserve food materials in cotyledons
4. The inner integument, if persists, forms the
Identify the correct sequence of seed germination from the steps given below: (a) After the leaves appear, then the young plants can make their own food. (b) Seed absorbs water through a hole. This softens the seed coat and it ruptures. (c) A soft shoot emerges from the seed and grows upwards. (d) During this stage, the baby plant lives on the food stored in the seed. (e) A small root emerges from the seed which grows downwards.
Seeds are great travellers they can reach far and wide. Which of the following statements about seed dispersal is true? A. Animals eat apples and pass their seeds in their stool. B. Mangrove seeds disperse by water. C. Seeds of the orchid plant attach to animals using hooks. D. Soyabean seeds disperse by bursting.
Sue planted 4 times as many apple seeds as she planted orange seeds. 15% of the apple seeds grew into trees, and 10% of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?
In the context of food and nutritional security of India, enhancing the 'Seed Replacement Rates' of various crops helps in achieving the food production targets of the future. But what is/are the constraint/constraints in its wider/greater implementation? 1. There is no National Seeds Policy in place. 2. There is no participation of private sector seed companies in the supply of quality seeds of vegetables and planting materials of horticultural crops. 3. There is a demand-supply gap regarding quality seeds in case of low value and high volume crops. Select the correct answer using the code given below.
A teacher along with his students is carrying out a study on germination of seeds. They take some dry seeds of different kinds and plant them in different physical conditions. They observe, measure and discuss the growth over a period of time. During the course of the activity, teacher asks questions which require various process skills. The questions asked by the teacher are given in column I Match these with the appropriate process skills   Column I   Column II (A) What are the differences between seeds of different type (i) communication (B) Why do you think some seeds are growing more quickly than others? (ii) predicting (C) Draw a diagram to depict the changes in the seeds (iii) observing (D) Based on your observation what do you think would happen if we double the amount of water (iv) hypothesising
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?
Fresh fruit contains 78% water and dry fruit contains 20% water. The remaining part of fruit is pulp. How much dry fruit can be obtained from 100 kg fresh fruit?
Which of the following statements is/are true in the context of fertilisation and pollination in plants. A. Ovary of the flower matures into fruit. B. Seeds of the plant forms the ovules for fertilisation. C. Pollination takes place after fertilisation. D. In pollination, seeds are dispersed by wind, water, birds and insects. E. Fertilisation takes places in the ovules.
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow from the statements. Statements: 1. All crops are seeds. 2. No seed is a plant. 3. No plant is a flower. Conclusions: I. Some seeds are crops. II. No crop is a flower. III. No crop is a plant. IV. No flower is a seed.