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The following chemicals can be used as fixatives for biopsy samples
Chemical mixtures X consist of chemicals A and B in ratio of 1 : 3, Chemical Y consist of chemicals A and B in ratio of 3 : 2. Chemical X is present in vessel whose capacity is 2 / 5 times that of vessel in which chemical Y is present. Both the chemicals X and Y are mixed in a large container. What is % of concentration is present in final mixture as A?
Read the given paragraph carefully and decide which of the conclusions given in the options logically follows from the paragraph. The alarming level of pesticide and insecticide residue is found in fruits and vegetables sold in the market, causing public unrest. The reason is farmers are being forced to use affordable chemical pesticides in large amounts to protect the harvest. The pests, after some time, get immune to chemicals and hence farmers are forced to use more harmful chemicals to exterminate them. The government is, however, planning to ban the use of some harmful chemicals as they cause health issues, thus breaking this vicious circle.
In the following question, two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement I: No green is toxic. Statement II: Some chemicals are green. Conclusion I: Some chemicals are toxic. Conclusion II: Some green are chemicals.
In a certain laboratory, chemicals are identified by a colour-coding system. There are 20 different chemicals. Each one is coded with either a single colour or a unique two-colour pair. If the order of colours in the pairs does not matter, what is the minimum number of different colours needed to code all 20 chemicals with either a single colour or a unique pair of colours?
Consider the following statements regarding Muscle Tissue: 1. Each muscle is made of numerous fine fibrils, called myofibrils. 2. Smooth muscles are voluntary as their functioning can be directly controlled. 3. Cardiac muscle tissue is a contractile tissue present only in the heart. Which of the statements given above is/are correct?
Match the structures given in Column I with the tissue given in Column II in which they are present. Select the correct answer using the codes given below : Column I Column II 1. Chondrocyte (a) Nervous tissue 2. Fat cells (b) Voluntary muscle fibre 3. Myofibril (c) Cartilage 4. Axon (d) Bone 5. Periosteum (e) Adipose tissue
Which of the following is a plant tissue?
1. Meristematic tissue
2. Permanent tissue
Fixatives are used to
Fixatives used in routine histopathological examination are