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Questions in biology

[Answered] What type of hearing implants bypass the damaged hair cells and directly stimulate the cochlear nerve endings? A. stapes B. cochlear C. iris D. tympanic

[Answered] The sequence that controls the copy number of the linked DNA in the vector is termed as: (A) Palindromic sequence (B) Ori site (C) Selectable marker (D) Recognition site

[Answered] What kind of membrane is the inner lining of the abdominal cavity, known as the parietal peritoneum? A. Serous membrane B. Cutaneous membrane C. Mucous membrane D. Synovial membrane

[Answered] MAMMALS: ears eyes snout (nose) legs fur tongue tail whiskers paws mouth BIRDS: tail feathers beak wings claws legs head

[Answered] VI. Answer very briefly. 1. Write the name of any nitrogen fixing bacteria. 2. Name the bacteria used in the production of vinegar. 3. Write the names of any three protozoans.

[Answered] Multiple Choice Questions: 1. Put a tick mark (✔) against the correct alternative in the following statements: (a) Which one of the following is an indigenous breed of dairy cows? (i) Jersey (ii) Frieswal (iii) Sahiwal (iv) Dangi (b) Which one of the following is the common breed of buffalo found in Gujarat? (i) Surti (ii) Murrah (iii) Gir (iv) Mehsana (c) Identify the indigenous breed of poultry of India. (i) White Leghorn (ii) HH-260 (iii) Aseel (iv) B-77 (d) Which one of the following is a rabi crop? (i) Mustard (ii) Pea (iii) Rice (iv) Wheat (e) Identify the Kharif crop. (i) Barley (ii) Mustard (iii) Rice (iv) Wheat Short Answer Questions: 1. Fill in the blanks: (a) Cattle feed made from cereals and wheat is called ..................... (b) Rearing of birds for egg and meat is called ..................... (c) Animal food is rich in ..................... 2. Name the following: (a) The popular indigenous breed of poultry in India. ..................... (b) Rearing of honey bees. .....................

[Answered] Table 2.1 | time/mins | test-tube A | test-tube B | test-tube C | |---|---|---|---| | 0 | black | black | black | | 1 | black | black | dark brown | | 2 | black | black | dark brown | | 3 | dark brown | black | lighter brown | | 4 | dark brown | black | lighter brown | | 5 | dark brown | black | yellow brown | | 6 | light brown | black | yellow brown | | 7 | lighter brown | black | yellow brown | | 8 | lighter brown | black | yellow brown | | 9 | lighter brown | black | yellow brown | | 10 | yellow brown | black | yellow brown | (a) (i) State how long it took for the starch to be completely broken down in test-tubes A and C.

[Answered] Of the following lists of electron transport compounds, which one lists them in order from the one containing electrons with the highest free energy to the one containing electrons with the lowest free energy? Note that not all electron transport compounds in the electron transport chain are listed. A. $O _2$-- Cyt a of Complex IV -- Cyt c-- Fe-S of Complex III -- Q -- Fe-S of Complex II -- FADH ${ }_2$ B. FADH ${ }_2$-- Fe-S of Complex II -- Fe-S of Complex III -- Q -- Cyt a of Complex IV -Cyt $c-- O _2$ C. FMN of Complex I -- NADH -- Fe-S of Complex III -- Cyt $b$ of Complex III -- Cyt $c$-Cyt $a$ of Complex IV -- $O _2$ D. FADH ${ }_2$-- Fe-S of Complex II -- Q -- Fe-S of Complex III -- Cyt c -- Cyt $a$ of Complex IV -- $O _2$

[Answered] Microfilariae are mature heartworms that block blood flow through the heart in animals with dirofilariasis. (A) True (B) False

[Answered] The root in the term equilibrium means: A. steady B. balance C. equal D. movement