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Which one of the following kinds of animals are triploblastic?
Which of the following animals is not viviparous?
Match the following genera with their respective phylum: **Column-I**: (a) Ophiura, (b) Physalia, (c) Pinctada, (d) Planaria **Column-II**: (i) Mollusca, (ii) Platyhelminthes, (iii) Echinodermata, (iv) Coelenterata
Match the following Mitochondrial Respiratory Complexes (List-I) with their components/names (List-II): List-I (a) Complex I (b) Complex II (c) Complex III (d) Complex IV List-II (i) Cytochrome c oxidase (ii) NADH dehydrogenase (iii) Succinate dehydrogenase (iv) Cytochrome bc1 complex
Metagenesis refers to?
Match the following organisms with their respective characteristics: **Column-I**: (a) Pila, (b) Bombyx, (c) Pleurobrachia, (d) Taenia **Column-II**: (i) Flame cells, (ii) Comb plates, (iii) Radula, (iv) Malpighian tubules
A jawless fish, which lays eggs in freshwater and whose ammocoetes larvae after metamorphosis return to the ocean is?
Consider the following features: (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelom with segmentation of body Select the correct option of animal groups that possess all the above characteristics:
Which of the following features is not present in the phylum–Arthropoda?
Which of the following characteristics is not shared by birds and mammals?
Which of the following are NOT under the control of thyroid hormone? A. Maintenance of water and electrolyte balance B. Regulation of basal metabolic rate C. Normal rhythm of sleep-wake cycle D. Development of immune system E. Support the process of RBCs formation Choose the correct answer from the options given below:
Which of the following is not a cloning vector?
The unique mammalian characteristics are:
Match List I with List II. List I: A. Logistic growth, B. Exponential growth, C. Expanding age pyramid, D. Stable age pyramid. List II: I. Unlimited resource availability condition, II. Limited resource availability condition, III. The percent individuals of pre-reproductive age is largest followed by reproductive and post reproductive age groups, IV. The percent individuals of pre-reproductives and reproductive age group are same. Choose the correct answer from the options given below:
The parts of human brain that helps in regulation of sexual behaviour, expression of excitement, pleasure, rage, fear etc. are:
Select the correct statements with reference to chordates. A. Presence of a mid-dorsal, solid and double nerve cord. B. Presence of closed circulatory system. C. Presence of paired pharyngeal gill slits. D. Presence of dorsal heart E. Triploblastic pseudocoelomate animals. Choose the correct answer from the options given below:
In which blood corpuscles, the HIV undergoes replication and produces progeny viruses?
Radial symmetry is NOT found in adults of phylum ________.
Broad palm with single palm crease is visible in a person suffering from-
In cockroach, excretion is brought about by- A. Phallic gland B. Urecose gland C. Nephrocytes D. Fat body E. Collateral glands Choose the correct answer from the options given below :