Description : Select the correct statement from the ones given below with respect to Periplaneta americana. (a) Nervous system located dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal ... midgut and hindgut. (d) Grinding of food is carried out only by the mouth parts.
Last Answer : (b) Males bear a pair of short thread like anal styles.
Description : Select the correct option with respect to cockroaches. (a) Malpighian tubules convert nitrogenous wastes into urea. (b) Males bear short anal styles not present in females. (c) Nervous system comprises of a ... cord and ten pairs of ganglia. (d) The forewings are tegmina which are used in fligh
Last Answer : (b) Males bear short anal styles not present in females
Description : Select the correct statement from the ones given below with respect to Periplaneta americana (1) Grinding of food is carried out only by the mouth parts (2) Nervous system located dorsally, consists ... (4) There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut
Last Answer : (3) Males bear a pair of short thread like anal styles
Description : Assertion : Epiphysis of long bone is haemopoietic Reason : In epiphysis yellow bone marrow is present which product blood corpuscles
Last Answer : Assertion : Epiphysis of long bone is haemopoietic Reason : In epiphysis yellow bone marrow is present ... D. If both Assertion & Reason are false.
Description : Malpighian tube ?
Last Answer : : The number of narrow ducts adjacent to the digestive tract of grasshopper , which completes the excretory function is called Malpighian duct.
Description : What is Malpighian Organ ?
Last Answer : : Malpighian organ: The anterior end of the nephron is called the renal corpuscle or Malpighian organ. It consists of bomans capsule and glomerulus.
Description : Malpighian tubules are analogous to
Last Answer : Malpighian tubules are analogous to A. Trachea of cockroach B. Gills C. Flame cells D. None of these
Description : Malpighian corpuslces occur in
Last Answer : Malpighian corpuslces occur in A. Medulla oblongata B. Cortex C. Pelvis D. Pyramid
Description : Funtion of Malpighian tubules of cockroach :
Last Answer : Funtion of Malpighian tubules of cockroach : A. Digestion B. Respiration C. Excretion D. Reproduction
Description : Which one of the following pairs of items correctly belongs to the category of organs mentioned against it? (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs ( ... Cucurbita - analogous organs (d) Nictitating membrane and blind spot in human eye - vestigial organs
Last Answer : (a) Nephridia of earthworm and Malpighian tubules of cockroach - excretory organs
Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II (Function) (Part of excretory system) A. Ultrafiltration (i) Henle's loop B. Concentration (ii) Ureter of urine C. ... (ii) (iii) (c) (v) (iv) (i) (ii) (d) (v) (iv) (i) (iii)
Last Answer : (b) (iv) (i) (ii) (iii)
Description : Which of the following happens in the common cockroach? (a) Malpighian tubules are excretory organs projecting out from the colon. (b) Oxygen is transported by haemoglobin in blood. (c) Nitrogenous excretory product is urea. (d) The food is ground by mandibles and gizzard.
Last Answer : (d) The food is ground by mandibles and gizzard.
Description : Four healthy people in their twenties got involved in injuries resulting in damage and death of few cells of the following. Which of the cells are least likely to be replaced by new cells? (a) Liver cells (b) Neurons (c) Malpighian layer of the skin (d) Osteocytes
Last Answer : (b) Neurons
Description : .Malpighian tubules are (a) excretory organs of insects (b) excretory organs of annelids (c) respiratory organs of insects (d) respiratory organs of annelids.
Last Answer : (a) excretory organs of insects
Description : The excretory structures of flatworms/ Taenia are (a) flame cells (b) protonephridia (c) Malpighian tubules (d) green glands
Last Answer : (a) flame cells
Description : In which one of the following organisms its excretory organs are correctly stated? (a) Humans - Kidneys, sebaceous glands and tear glands (b) Earthworm - Pharyngeal, integumentary and septal ... Cockroach - Malpighian tubules and enteric caeca (d) Frog - Kidneys, skin and buccal epithelium
Last Answer : (b) Earthworm – Pharyngeal, integumentary and septal nephridia
Description : Match the following organisms with respective characteristics. (A) Pila (i) Flame cells (B) Bombyx (ii) Comb plates (C) Pleurobrachia (iii)Radula (D) Taenia (iv) Malpighian tubules Select the correct option from the following. (A) (B) (C) ... (i) (iv) (c) (iii) (iv) (ii) (i) (d) (ii) (iv) (iii) (i)
Last Answer : (c) (iii) (iv) (ii) (i)
Description : Where are red blood corpuscles formed? -Do You Know?
Last Answer : answer:
Description : Assertion : Lymphocyte are the largest corpuscles. Reason : Nucleus of lymphocyte is large and kidney shaped .
Last Answer : Assertion : Lymphocyte are the largest corpuscles. Reason : Nucleus of lymphocyte is large and kidney ... D. If both Assertion & Reason are false.
Description : Largest corpuscles in human blood are
Last Answer : Largest corpuscles in human blood are A. Erythrocyrtes B. Monocytes C. Lymphocytes D. Basophils
Description : Life span of human white blood corpuscles is
Last Answer : Life span of human white blood corpuscles is A. 24 hours B. Less than 10 days C. 120 days D. 100 hours.
Description : Maximum number of white blood corpuscles is that of
Last Answer : Maximum number of white blood corpuscles is that of A. Basophils B. Neutrophils C. Monocytes D. Eosinophils
Description : Carbon dioxide entering the red blood corpuscles from the tissues is partially taken up by haemoglobin to form (a) carboxyhaemoglobin (b) carbonylhaemoglobin (c) carbaminohaemoglobin (d) carbomoylhaemoglobin
Last Answer : Ans:(a)
Description : Minute, circular discs floating in the blood, which carry oxygen to the tissues, and carbon dioxide away from them, are called (a) White blood corpuscles (WBC) (b) Red blood corpuscles (RBC) (c) Monophylls (d) Erythrocytes
Last Answer : Ans:(b)
Description : The old and worn-out red blood corpuscles are destroyed in (1) Liver (2) Stomach (3) Bone marrow (4) Spleen
Last Answer : (4) Spleen Explanation: Old, "worn out" RBCs are mostly broken down in the spleen. It is the organ that filters the blood, checks it for infection, and removes undesirable substances. RBCs are produced in the red bone marrow of bones. The average life span of erythrocytes is about 120 days.
Description : What is the main purpose of white blood corpuscles? (1) to carry nutrients (2) to combat infections (3) to carry oxygen (4) to give strength
Last Answer : (2) to combat infections Explanation: White blood cells (WBCs), also called leukocytes, are an important part of the immune system. These cells help fight infections by attacking bacteria, ... the body. White blood cells originate in the bone marrow, but circulate throughout the bloodstream.
Description : Fluid part of blood devoid of corpuscles is called - (1) Tissue fluid (2) Plasma (3) Serum (4) Lymph
Last Answer : (3) Serum Explanation: In blood, the serum is the component that is neither a blood cell (serum does not contain white or red blood cells) nor a clotting factor; it is the ... essential factor for the self-renewal of embryonic stem cells in combination with the cytokine leukemia inhibitory factor.
Description : Which of the following blood cells is compulsory for blood coagulation? (1) Platelets (2) Red Blood Corpuscles (3) White Blood Corpuscles (4) Lymphocites
Last Answer : (1) Platelets Explanation: Coagulation is the process by which blood forms clots. It is an important part of homeostasis, the cessation of blood loss from a damaged vessel, wherein a damaged ... vessel. Platelets immediately form a plug at the site of injury, this is called primary homeostasis.
Description : What are the blood corpuscles that help to build up resistance against diseases? (1) Leucocytes (2) Monocytes (3) Neutrophils (4) Lymphoctyes
Last Answer : (1) Leucocytes Explanation: White blood cells, or leukocytes, are cells of the immune system involved in defending the body against both infectious disease and foreign materials. Five different ... human body. Leukocytes are found throughout the body, including the blood and lymphatic system.
Description : At very high altitude, the Red Blood Corpuscles in the human body will : (1) increase in size (2) decrease in size (3) increase in number (4) decrease in number
Last Answer : (1) increase in size Explanation: Red Blood cells contain haemoglobin which is what the oxygen binds with to form oxyhaemoglobin which is then transported to the different cells around the body. Oxygen ... the current number of red blood cells in the body cannot meet the cells demands for oxygen.
Description : Which of the following acts as a resistance against disease in the body? (1) Carbohydrates (2) Red corpuscles (3) Vitamins (4) White corpuscles
Last Answer : (4) White corpuscles Explanation: White corpuscles or the White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
Description : Which disease affects the bone marrow and tissues which produce blood corpuscles?
Last Answer : Leukemia
Description : Redblood corpuscles are formed in?
Last Answer : Bonemarrow
Description : Red blood corpuscles are formed in the------? A. Liver B. Bone marrow (Answer) C. Kidneys D. Heart
Last Answer : B. Bone marrow (Answer)
Description : Where will you look for the sporozoites of the malarial parasite? (a) Saliva of infected female Anopheles mosquito (b) Red blood corpuscles of human suffering from malaria (c) Spleen of infected humans (d) Salivary glands of freshy moulted female Anopheles mosquito
Last Answer : (a) Saliva of infected female Anopheles mosquito
Description : Choose the correct statement. (a) Nociceptors respond to changes in pressure. (b) Meissner's corpuscles are thermoreceptors. (c) Photoreceptors in the human eye are depolarised during darkness and ... hyperpolarised in response to the light stimulus. (d) Receptors do not produce graded potentials.
Last Answer : (c) Photoreceptors in the human eye are depolarised during darkness and become hyperpolarised in response to the light stimulus.
Description : You are required to draw blood from a patient and to keep it in a test tube for analysis of blood corpuscles and plasma. You are also provided with the following four types of test tubes ... bicarbonate (b) Chilled test tube (c) Test tube containing heparin (d) Test tube containing sodium oxalate
Last Answer : (a) Test tube containing calcium bicarbonate
Description : How the transport of O2 and CO2 by blood happens? (a) With the help of WBCs and blood serum (b) With the help of platelets and corpuscles (c) With the help of RBCs and blood plasma (d) With the help of RBCs and WBCs
Last Answer : (c) With the help of RBCs and blood plasma
Description : Blood of Pheretima is (a) blue with haemocyanin in corpuscles (b) blue with haemocyanin in plasma (c) red with haemoglobin in corpuscles (d) red with haemoglobin in plasma.
Last Answer : (d) red with haemoglobin in plasma
Description : What is the proportion of red blood corpuscles and white blood corpuscles in human body?
Last Answer : 500:01:00
Description : Where are red blood corpuscles formed?
Last Answer : In bone marrow
Description : Red blood corpuscles are formed in the A.Liver B.Bone marrow C.Kidneys D.Heart
Last Answer : B.Bone marrow
Description : When a human donor gives a pint of blood, it usually requires how many weeks for the body RESERVE of red corpuscles to be replaced? Is it: a) 1 week b) 3 weeks c) 7 weeks d) 21 weeks
Last Answer : ANSWER: C -- 7 weeks
Description : Which of the following are skin receptors in humans that are sensitive to heat? Are they: a) end organs of Krause b) Meissner's corpuscles c) end organs of Ruffini d) Pacinian corpuscles
Last Answer : ANSWER: C -- END ORGANS OF RUFFINI
Description : 1. Where are red blood corpuscles formed? 2. Where was the first session of the Constituent Assembly held? 3. If there were no atmosphere, what will be the length of the day on the earth? 4. ... fainfall less than 20 cms? 20. Who among the following has issued the coin rupee for the first time?
Last Answer : Answer : 1. In bone marrow 2. New Delhi 3. Decrease 4. Equatorial region 5. Rudradaman 6. Stephen Hawking 7. Dada Saheb Phalke 8. 5-6 litres 9. Cold fronts 10. Charaka Samhita 11. Chief Minister ... 14. 1000 cm 15. Surat16. Darbari 17. Dolphin 18. The Cabinet 19. Jammu and Kashmir 20. Shershah Suri
Description : What is the main purpose of white blood corpuscles? (1) to carry nutrients (2) to combat infection (3) to carry oxygen (4) to give strength
Last Answer : to combat infection
Last Answer : Spleen
Description : The average life span of red blood corpuscles is about (1) 100 - 200 days (2) 100 - 120 days (3) 160 - 180 days (4) 150 - 200 days
Last Answer : 100 - 120 days
Description : Fluid part of blood devoid of corpuscles is called (1) Tissue fluid (2) Plasma (3) Serum (4) Lymph
Last Answer : Serum