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In which of the following animals, digestive tract has additional chambers like crop and gizzard?
If the length of a DNA molecule is 1.1 metres, what will be the approximate number of base pairs?
Given below are two statements: Statement I: Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence. Statement II: Restriction endonucleases cut the DNA strand a little away from the centre of the palindromic site. In the light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : All vertebrates are chordates but all chordates are not vertebrates. Reason (R) : Notochord is replaced by vertebral column in the adult vertebrates. In the light of the above statements, choose the most appropriate answer from the option given below :
Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis? (a) It results in the formation of haploid gametes (b) Differentiation of gamete occurs after the completion of meiosis (c) Meiosis occurs continuously in a mitotically dividing stem cell population (d) It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary (e) It is initiated at puberty Choose the most appropriate answer from the options given below:
Under normal physiological conditions in human being every 100 ml of oxygenated blood can deliver ________ ml of $O_2$ to the tissues.
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Osteoporosis is characterised by decreased bone mass and increased chance of fractures. Reason (R): Common cause of osteoporosis is increased levels of estrogen. In the light of the above statements, choose the most appropriate answer from the options given below.
Given below are two statements : Statement I : Fatty acids and glycerols cannot be absorbed into the blood. Statement II : Specialized lymphatic capillaries called lacteals carry chylomicrons into lymphatic vessels and ultimately into the blood. In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements: Statement I: Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies. Statement II: Rheumatoid arthritis is a condition where body does not attack self cells. In the light of the above statements, choose the most appropriate answer from the options given below:
Lippe's loop is a type of contraceptive used as:
Which of the following is not a connective tissue?
Nitrogenous waste is excreted in the form of pellet or paste by :
Regarding Meiosis, which of the statements is incorrect?
Which of the following is a correct match for disease and its symptoms?
Given below are two statements : Statement I : Mycoplasma can pass through less than 1 micron filter size. Statement II : Mycoplasma are bacteria with cell wall. In the light of the above statements, choose the most appropriate answer from the options given below
Which of the following statements with respect to Endoplasmic Reticulum is incorrect?
Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A :
Given below are two statements : Statement I : The coagulum is formed of network of threads called thrombins. Statement II : Spleen is the graveyard of erythrocytes. In the light of the above statements, choose the most appropriate answer from the options given below :
In an E. Coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?
Which of the following functions is not performed by secretions from salivary glands?