Railway Board offers opulent and revered job posts to its aspirants. And it is not every year that we get the notification from Railway offering a good number of vacant seats to the multitude aspirants. But the current year 2018 brought a pleasant surprise with almost 1,20,000 seats to be filled by the valid candidates. Opportunity is here but you have to welcome it with a provident strategy.
रेलवे बोर्ड अपने उम्मीदवारों के लिए भव्य और प्रतिष्ठित कार्य पदों की पेशकश करता है. और हर साल ऐसा नहीं होता है कि हमें रेलवे की ओर से अधिसूचना मिलती है. लेकिन वर्तमान वर्ष 2018 आपके लिए बहुत सुखद वर्ष है क्योंकि इसमें लगभग 1,20,000 सीटों को वैध उम्मीदवारों द्वारा भरा जाएगा. आपके पास बहुत अच्छा अवसर है और आपको इसे एक बेहतर रणनीति से प्राप्त करना होगा.
Q1. The mulberry fruit is :
शेह्तूत का फल क्या है?
(a) Sorosis / सोरोसिस
(b) Syconus / साइकोनस
(c) Samara / समारा
(d) Nut / नट
Ans.(a)
Sol. The mulberry fruit is also known as the Sorosis. Sorosis is a multiple fleshy fruits that is derived from the ovaries of multiple flowers. The seeds are achenes, on the outside of a fleshy fruit. Pineapple and Ficus are also the example of Sorosis fruit.
Sol. The mulberry fruit is also known as the Sorosis. Sorosis is a multiple fleshy fruits that is derived from the ovaries of multiple flowers. The seeds are achenes, on the outside of a fleshy fruit. Pineapple and Ficus are also the example of Sorosis fruit.
Q2. Which one of the following groups of organisms has significance in diagnosing the death by drowning?
जीवों में डूबने से होने वाली मृत्यु के निदान में निम्नलिखित समूहों में से कौन सा महत्वपूर्ण है.
(a) Lichens / लाइकन
(b) Protozoa / प्रोटोजोआ
(c) Cyanobacteria / साइनोबैक्टीरिया
(d) Diatoms / डायटम
Show Answer
Ans.(d)
Sol. Diatoms are useful in forensic studies. It has significance in diagnosing the death by drowning. Diatoms are photosynthetic algae and are found in almost every aquatic environment including fresh and marine waters, soils and almost at every humid place.
Sol. Diatoms are useful in forensic studies. It has significance in diagnosing the death by drowning. Diatoms are photosynthetic algae and are found in almost every aquatic environment including fresh and marine waters, soils and almost at every humid place.
Q3. Leg-haemoglobin is found in-
लेग-हीमोग्लोबिन किस में पाया जाता है?
(a) Human blood / मानव रक्त
(b) Rabbit blood / खरगोश के खून में
(c) Legume root nodules / लेग्यूम रूट नोड्यूल
(d) Chicken blood / चिकन रक्त
Show Answer
Ans.(c)
Sol. Leg-haemoglobin is found in root nodules of leguminous plants such as alfalfa and soyabean.
Sol. Leg-haemoglobin is found in root nodules of leguminous plants such as alfalfa and soyabean.
Q4. Desert plants are generally-
रेगिस्तान पौधे आम तौर पर क्या होते हैं?
(a) Viviparous / विविपेरस
(b) Succulent / गूदेदार पौधा
(c) Herbaceous / घास
(d) Heterophyllous / विभिन्न पर्णीय
Show Answer
Ans.(b)
Sol. A succulent is a plant that stores water for times when water is not available to it. Succulent plants are generally found in arid environments such as deserts and semi-deserts.
Sol. A succulent is a plant that stores water for times when water is not available to it. Succulent plants are generally found in arid environments such as deserts and semi-deserts.
Q5. A group of archaebacteria is used in the production of-
अर्चेबक्टेरिया का समूह किस के उत्पादन में उपयोग किया जाता है?
(a) Ethane / एटैन
(b) Methane / मीथेन
(c) Acids / एसिड
(d) Alchohols / अल्कोहल
Show Answer
Ans.(b)
Sol. Archaebacteria sub-kingdom of the kingdom Prokaryote, which on the basis of both RNA and DNA. Archaebacteria have unique protein-like cell walls and cell membrane simple organic compounds such as methanol and acetate as food, combining them with carbon dioxide and hydrogen gas from the air and releasing methane as a byproduct.
Sol. Archaebacteria sub-kingdom of the kingdom Prokaryote, which on the basis of both RNA and DNA. Archaebacteria have unique protein-like cell walls and cell membrane simple organic compounds such as methanol and acetate as food, combining them with carbon dioxide and hydrogen gas from the air and releasing methane as a byproduct.
Q6. What amongst the following is responsible for the formation of stone in the human kidney?
मानव गुर्दा में पत्थरी के बनने के लिए निम्नलिखित में से क्या जिम्मेदार है?
(a) Calcium acetate /कैल्शियम एसीटेट
(b) Calcium oxalate /कैल्शियम ऑक्सलेट
(c) Sodium acetate /सोडियम एसीटेट
(d) Sodium benzoate /सोडियम बेंज़ोएट
Show Answer
Ans.(b)
Sol. Calcium Oxalate is a chemical compound that forms envelope shaped crystals, known in plants as raphides. A major constituent of human kidney stones is calcium oxalate.
Sol. Calcium Oxalate is a chemical compound that forms envelope shaped crystals, known in plants as raphides. A major constituent of human kidney stones is calcium oxalate.
Q7. In the human body, which structure is the appendix attached to?
मानव शरीर में, कौन सी संरचना से अपेंडिक्स जुड़ा होता है?
(a) The large intestine /बड़ी आंत
(b) The small intestine / छोटी आंत
(c) The gall bladder / पित्त मूत्राशय
(d) The stomach / आमाशय
मानव शरीर में, कौन सी संरचना से अपेंडिक्स जुड़ा होता है?
(a) The large intestine /बड़ी आंत
(b) The small intestine / छोटी आंत
(c) The gall bladder / पित्त मूत्राशय
(d) The stomach / आमाशय
Show Answer
Ans.(a)
Sol. The appendix is a blind-ended tube connected to the Caecum-pouch, that is considered to be the beginning of the large intestine from which it develops embryologically. The Caecum is a pouch-like structure of the colon, located at the junction of the small and the large intestines.
Sol. The appendix is a blind-ended tube connected to the Caecum-pouch, that is considered to be the beginning of the large intestine from which it develops embryologically. The Caecum is a pouch-like structure of the colon, located at the junction of the small and the large intestines.
Q8. Nutraceuticals are products which have-
न्यूट्रास्यूटिकल वे उत्पाद हैं जिसमें होते हैं-
(a) Nutrients vitamin and minerals /पोषक तत्व विटामिन और खनिज
(b) Nutrients protein and fatty acids /पोषक तत्व प्रोटीन और फैटी एसिड
(c) Nutrient and toxic effect /पोषक तत्व और विषाक्त प्रभाव
(d) Nutrient and medicinal effect /पोषक तत्व और औषधीय प्रभाव
न्यूट्रास्यूटिकल वे उत्पाद हैं जिसमें होते हैं-
(a) Nutrients vitamin and minerals /पोषक तत्व विटामिन और खनिज
(b) Nutrients protein and fatty acids /पोषक तत्व प्रोटीन और फैटी एसिड
(c) Nutrient and toxic effect /पोषक तत्व और विषाक्त प्रभाव
(d) Nutrient and medicinal effect /पोषक तत्व और औषधीय प्रभाव
Show Answer
Ans.(d)
Sol. The term “nutraceutical” is used to describe any food or part of food supplements that offers a medical or health benefit beyond simple nutrition. Such benefits many include the prevention or recurrence of the disease.
Sol. The term “nutraceutical” is used to describe any food or part of food supplements that offers a medical or health benefit beyond simple nutrition. Such benefits many include the prevention or recurrence of the disease.
Q9. Cyanocobalamin is-
सयानोकोबालामिन है-
(a) Vitamin C
(b) Vitamin B_2
(c) Vitamin B_6
(d) Vitamin B_12
सयानोकोबालामिन है-
(a) Vitamin C
(b) Vitamin B_2
(c) Vitamin B_6
(d) Vitamin B_12
Show Answer
Ans.(d)
Sol. Vitamin B_12 (Cyanocobalamin) is a water soluble vitamin. It contains a metallic ion cobalt. Its chemical formula is C_63 H_88 Co N_14 O_14 P.
Sol. Vitamin B_12 (Cyanocobalamin) is a water soluble vitamin. It contains a metallic ion cobalt. Its chemical formula is C_63 H_88 Co N_14 O_14 P.
Q10. Which of the following vitamins contains cobalt?
निम्नलिखित में से कौन से विटामिन में कोबाल्ट होता है?
(a) Vitamin K
(b) Vitamin B_12
(c) Vitamin B_6
(d) Vitamin B_2
Show Answer
Ans.(b)
Sol. Vitamin B_12 (Cyanocobalamin) is a water soluble vitamin. It contains a metallic ion cobalt.
Sol. Vitamin B_12 (Cyanocobalamin) is a water soluble vitamin. It contains a metallic ion cobalt.
Q11. Iron content is found maximum in:
किसने अधिकतम आइरन पाया जाता है:
(a) Beans/फलियां
(b) Eggs /अंडे
(c) Green vegetables /हरी सब्जियाँ
(d) Milk/दूध
किसने अधिकतम आइरन पाया जाता है:
(a) Beans/फलियां
(b) Eggs /अंडे
(c) Green vegetables /हरी सब्जियाँ
(d) Milk/दूध
Show Answer
Ans.(c)
Sol. Green vegetables are the richest source of iron. A slight deficiency in iron causes anemia (fatigue/weakness) and a chronic deficiency can lead to organ failure.
Sol. Green vegetables are the richest source of iron. A slight deficiency in iron causes anemia (fatigue/weakness) and a chronic deficiency can lead to organ failure.
Q12. The substance which makes up about 80% of the living material in most organisms is:
अधिकतर जीवों में लगभग 80% जीवित सामग्री का निर्माण किससे होता है-
(a) Protein/प्रोटीन
(b) Fats /वसा
(c) Carbohydrates /कार्बोहाइड्रेट
(d) Minerals/खनिज पदार्थ
अधिकतर जीवों में लगभग 80% जीवित सामग्री का निर्माण किससे होता है-
(a) Protein/प्रोटीन
(b) Fats /वसा
(c) Carbohydrates /कार्बोहाइड्रेट
(d) Minerals/खनिज पदार्थ
Show Answer
Ans.(a)
Sol. Generally, water, an inorganic substance is most abundant in living beings. But in organic compounds, protein is most abundant because they are one of the building blocks of body tissue can also serve as a fuel source.
Sol. Generally, water, an inorganic substance is most abundant in living beings. But in organic compounds, protein is most abundant because they are one of the building blocks of body tissue can also serve as a fuel source.
Q13. In human body, which one of the following hormones regulates blood calcium and phosphate?
मानव शरीर में, निम्नलिखित में से कौन सा हार्मोन रक्त कैल्शियम और फॉस्फेट को नियंत्रित करता है?
(a) Glucagon/ग्लूकागन
(b) Growth hormone/वृद्धि हार्मोन
(c) Parathyroid hormone/पैराथाएरॉएड हार्मोन
(d) Thyroxine/थाइरॉक्सिन
Show Answer
Ans.(c)
Sol. Parathyroid hormone(PTH) regulates serum calcium through its effects on the tissues. PTH reduces the reabsorption of phosphate from the proximal tubule of the kidney, which means more phosphate is excreted through in the urine.
Sol. Parathyroid hormone(PTH) regulates serum calcium through its effects on the tissues. PTH reduces the reabsorption of phosphate from the proximal tubule of the kidney, which means more phosphate is excreted through in the urine.
Q14. By whom estrogen is produced-
एस्ट्रोजन का उत्पादन किसके द्वारा किया जाता है -
(a) Egg/अंडा
(b) Follicles/फली
(c) Corpus luteum/पीत-पिण्ड
(d) Uterus/गर्भाशय
एस्ट्रोजन का उत्पादन किसके द्वारा किया जाता है -
(a) Egg/अंडा
(b) Follicles/फली
(c) Corpus luteum/पीत-पिण्ड
(d) Uterus/गर्भाशय
Show Answer
Ans.(b)
Sol. Estrogens hormones are produced primarily by the ovaries. They are released by the follicles on the ovaries and also secreted by the corpus luteum after the egg has released from the follicle and from the placenta. The primary function of estrogens is the development of female secondary sexual characteristics. These included breasts, endometrium, regulation of sperm, the menstrual cycle, etc.
Sol. Estrogens hormones are produced primarily by the ovaries. They are released by the follicles on the ovaries and also secreted by the corpus luteum after the egg has released from the follicle and from the placenta. The primary function of estrogens is the development of female secondary sexual characteristics. These included breasts, endometrium, regulation of sperm, the menstrual cycle, etc.
Q15. The gas used for artificial ripening of green fruits is-
हरे फलों को कृत्रिम रूप से पकाने के लिए किस गैस का उपयोग किया जाता है -
(a) Ethane/एथैन
(b) Acetylene /एसिटिलीन
(c) Carbon-dioxide/कार्बन डाइआक्साइड
(d) Oxytocin/ऑक्सीटोसिन
हरे फलों को कृत्रिम रूप से पकाने के लिए किस गैस का उपयोग किया जाता है -
(a) Ethane/एथैन
(b) Acetylene /एसिटिलीन
(c) Carbon-dioxide/कार्बन डाइआक्साइड
(d) Oxytocin/ऑक्सीटोसिन
Show Answer
Ans.(b)
Sol. Calcium carbide is also used in some countries for artificially ripening fruit. When calcium carbide comes in contact with moisture, it produces acetylene gas.
Sol. Calcium carbide is also used in some countries for artificially ripening fruit. When calcium carbide comes in contact with moisture, it produces acetylene gas.
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