Bissoy.com
Doctors Medicines MCQs Q&A

Study the following statements.
1. Excretion of water in the form of liquid droplets from leaves or uninjured plant parts is called gullation.
2. Transpiration help in ascent of sap.
3. Small opening in the leaf meant for gaseous exchange and transpiration is called stomata.
Which of the statements given above are correct ?

Study the following statements.
1. Excretion of water in the form of liquid droplets from leaves or uninjured plant parts is called gullation.
2. Transpiration help in ascent of sap.
3. Small opening in the leaf meant for gaseous exchange and transpiration is called stomata.
Which of the statements given above are correct ? Correct Answer 1, 2 and 3

Related Questions

Consider the following statements and choose the correct answer:
1. Transpiration usually occurs during day-time whereas guttation takes place in night
2. In transpiration water comes out in the form of liquid, whereas in guttation the water is given off in the form of vapour
3. Transpiration water is pure but guttation water contains inorganic salts and sugars
4. Transpiration is a controlled phenomenon whereas guttation is an uncontrolled phenomenon
Three statements are followed by four conclusions numbered I, II, III and IV. You have to consider these statements to be true, even if they seem to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: 1. No plant is a flower. 2. No flower is a leaf. 3. Some plants are leaf. Conclusions: I. No leaf is a plant. II. No leaf is a flower. III. Some flowers are plants. IV. All leaf are plants.
Consider the following statements regarding the characters of coacervate droplets and choose the correct answer:
1. These can take up materials from the external medium and some of them show enzymatic activities
2. When glucose-I-phosphate is dissolved in the equilibrium liquid, the droplets are found to store starch
3. Coacervate droplets of some sort have been prepared with phosphorylase and β-amylase
4. Polynucleotides were synthesized enzymatically within coacervate droplets
The critical reasoning question is based on a short argument, a set of statements, or a plan of action. For each question, select the best answer of the choices given and explain why the chosen answer is the right fit. Passage: According to a study salamanders prey consists of leaf-eating insects that feed on fallen leaves and convert the carbon present in the leaves into methane which is released in the atmosphere. And if there are not enough insects left to eat the fallen leaves, the leaves remain intact and are transformed into humus. Statements: (A)Larger presence of salamander will lead to the production of a larger amount of humus. (B)All insects only eat leaves and nothing else. (C)Soil rich in humus is good. Question: Which of the above three statements could be inferred from the passage?
In a dicot pot herb, vaseline/vegetable oil was applied on the upper surface of one leaf (Experimental leaf 1) and on the lower surface of another leaf (Experimental leaf 2). Vaseline/Vegetable oil was not applied to the control leaf. The plant was deliberately not watered for several days. Which leaf will dry up last?
Consider the following statements in respect of effect of air pollutants on vegetation: 1. Necrosis refers to killing of tissue 2. Chlorosis refers to loss or reduction of green plant pigment 3. Leaf abscission refers to the dropping of leaves 4. Leaf epinasty refers to a downward curvature of a leaf due to a higher rate of growth on the upper surface Which of the above statements are correct?
A teacher of Class III had asked children to classify the leaves of the following trees/plants into different groups—lemon, mango, basil, mint, neem, banana, etc. Some students classified leaves as (a) leaves with medicinal values and leaves without medicinal values, (b) big leaves and small leaves. The teacher marked group (a) as right and group (b) as wrong. Which of the following statements reflects the teacher's view of learning and assessment?
A large tank of height h is half-filled with a liquid of density ρ and other half-filled with a liquid of density 4ρ. A similar tank is half-filled with a liquid of density 2ρ and other-half filled with another liquid of density 3ρ as shown. What will be the ratio of the instantaneous velocities of discharge through a small opening at the base of the tanks? (assume that the diameter of the opening is negligible compared to the height of the liquid column in either of the tanks)
Below are given statements. You have to take the given statements to be true even if they appear to be at variance with commonly known facts, and then decide which of conclusions logically follows from the given statements. For each question, mark out an appropriate answer choice that you think is correct. Statements: Some roots are stems. All stems are leaves. No leaves are plants. Some plants are foods. Conclusions: 1) Some roots are leaves. 2) No stem is plant. 3) Some foods are not leaves.
A teacher puts a leaf in a test tube and puts sprit (alcohol) in it. Now he heats the test tube till all the green colour comes out. Then he takes out the leaf and pour some iodine solution on it.  The students write the following statements in their notebooks. A) The leaf turns blue black in colour  B) The leaf contains starch  Which of the following statements is correct.