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Consider the following statements regarding the importance of diffusion and choose the correct answer:
1. The exchange of gases takes place by the principle of dependent diffusion
2. The process of diffusion is involved in transpiration of water vapours
3. The ions are absorbed by the simple diffusion during passive salt uptake
4. Diffusion is an effective means of transport of substances over a very short distance and helps in the translocation of food materials

Consider the following statements regarding the importance of diffusion and choose the correct answer:
1. The exchange of gases takes place by the principle of dependent diffusion
2. The process of diffusion is involved in transpiration of water vapours
3. The ions are absorbed by the simple diffusion during passive salt uptake
4. Diffusion is an effective means of transport of substances over a very short distance and helps in the translocation of food materials Correct Answer 2, 3 and 4 are true

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
Consider the following statements.
1. Translocation of food occurs through phloem.
2. Translocation via phloem occurs in the form of sucrose.
3. Loss of bark or girdling harms the plant more than loss of leaves, as root starves due to stoppage of food conduction.
Which of the statements given above is/are correct about translocation of food?
Which of the following statements correctly describe(s) the function of transpiration in plants? (A) It helps in cooling the plant.  (B) It helps in the absorption and distribution of water and minerals to leaves. (C) It helps in the exchange of gases with the environment. 
Consider the following statements about the Salt March: 1. The Salt March was deliberately ignored by the European media. 2. The Salt March was widely covered by the American and European press. 3. The Salt March was the first nationalist activity in which women participated in large numbers. 4. The Salt March impressed upon the British the urgent need to devolve more power to Indians. Which of the statements given above are correct?
Consider the following statements about the Salt March :1.The Salt March was deliberately ignored by the European media.2.The Salt March was widely covered by the American and European press.3.The Salt March was the first nationalist activity in which women participated in large numbers.4.The Salt March impressed upon the British the urgent need to devolve more power to Indians.Which of the statements given above are correct?
Consider the following statements relating to salt production in India : 1. India is the second-largest producer of salt in the world next only to China. 2. Salt mining is carried out in Himachal Pradesh. 3. Gujarat is the leading producer of salt in India. 4. Groundwater is an important source of salt in Rajasthan. Which of the statements given above are correct?
Consider the following statements regarding the pachytene substage of prophase I during meiosis and choose the correct answer:
1. Pachytene is said to begin when synapsis is completed
2. During pachytene the chromosomes are associated in bivalents or tetrads
3. Shortening and thickening of the chromosomes takes place due to longitudinal contraction
4. Exchange of groups of genes takes place as a result of crossing over
Which of the following statements about transpiration are correct? Statement 1: Low temperature increases the transpiration rate. Statement 2: Transpiration leads to water and vapor loss.
Consider the following aspects of substances involved in a chemical reaction: A. Physical state of all the substances  B. Number of molecules of all substances  C. Number of atoms of each substance D. Sum of masses of all atoms of substances  Which of the above remain the same before and after a chemical reaction has taken place? 
1. A Judicial Magistrate First Class can authorize the detention in custody, of a person accused of an offence triable by Special Court established under The Narcotic Drugs and Psychotropic Substances Act, 1985, for a period not exceeding fifteen years.
2. The Special Court established under The Narcotic Drugs and Psychotropic Substances Act, 1985, cannot exercise the power to authorize the detention of accused in custody, as enunciated under Section 167 of Code of Criminal Procedure.
3. The definition of 'use' under Section 2(xxviii-a) of The Narcotic Drugs and Psychotropic Substances Act, 1985, excludes personal consumption of narcotic drugs and psychotropic substances.
4. The High Court, by special order, may constitute as many Special Courts under The Narcotic Drugs and Psychotropic Substances Act, 1985, as necessary.
Which of the above statements are correct?