SSC CGL 2019 [3 March-09 March 2020] Biology: – 38 Questions
Q.1:- Red worms have a structure named ______ which helps them in grinding their food.
लाल कृमियों में ______ नामक एक संरचना होती है जो उनके भोजन को पीसने में उनकी मदद करती है।
[03 March CGL 2020 Mor Shift] 1. Esophagus / ग्रास नाली
2. Intestine / आंत
3. Crop / आमाशय का अग्र भाग
4. Gizzard / गिजर (पक्वाश)
Correct Answer:- Gizzard / गीज़ार्ड
Comment :- Red worms do not have teeth. They have a structure called ‘gizzard’ which helps them in grinding their food.
Q.2: – Which of these bones is NOT a part of the human ear?
इनमें से कौन सी हड्डी मानव कान का हिस्सा नहीं है? [03 March CGL 2020 Mor Shift] 1. Malleus / माललस
2. Stapes / स्टैप्स
3. Femur / ऊर्वस्थि
4. Incus / इंकम
Correct Answer:- Femur / फेमूर (Hindi options)
Comment :- Femur,(Longest bone) also called thighbone, upper bone of the leg or hind leg. The head forms a ball-and-socket joint with the hip, being held in place by a ligament within the socket and by strong surrounding ligaments.
Q.3:- Which of these words refers to the scientific study of domestic dogs?
इनमें से कौन सा शब्द घरेलू कुत्तों के वैज्ञानिक अध्ययन को संदर्भित करता है?
[03 March CGL 2020 Mor Shift] 1. Craniology / क्रानियोलाजी
2. Chrematistics / क्रीमेटिस्तिकस
3. Carpology / कार्पोलॉजी
4. Cynology / सिनोलॉजी
Correct Answer:- Cynology / सिनोलॉजी
Comment :- Cynology is the study of matters related to canines or domestic dogs.
Q.4:- Which of the following glands is present between the lungs?
निम्न में से कौन सी ग्रंथि फेफड़ों के बीच मौजूद है? [03 March CGL 2020 Noon Shift] 1. Thymus / थाइमस (बाल्य ग्रंथि)
2. Pituitary / पिट्यूटरी (पीयूष ग्रंथि)
3. Hypothalamus / हाइपोथैलेमस (अधच्शेतक)
4. Pineal / पीनियल (शीर्ष ग्रन्थि)
Correct Answer:- Thymus / थाइमस (बाल्य ग्रंथि)
Comment:- The thymus gland, located behind your sternum and between your lungs, is only active until puberty. After puberty, the thymus starts to slowly shrink and become replaced by fat.
Q.5:- Which of the following is not a vertebrate animal?
निम्नलिखित में से कौन कशेरुकी प्राणी नहीं होती ? [03 March CGL 2020 Noon Shift] 1. Snail / घोंघा
2. Birds / पक्षी
3. Mammals / स्तनधारी
4. Fish / मछली
Correct Answer: – Snail / घोंघा
Comment:- Vertebrates are animals that have a backbone or spinal column, also called vertebrae. These animals include fish, birds, mammals, amphibians, and reptiles. Snail is not a vertebrate animal.
Q.6:- Which of the following is NOT a part of the brain?
निम्नलिखित में से कौन मस्तिष्क का हिस्सा नहीं है? [03 March CGL 2020 Eve. Shift] 1. Medulla / मेडुला
2. Thalamus / थलमस
3. Pons / पॉन्स
4. Pinna / पिन्ना
Correct Answer:- Pinna / पिन्ना
Comment:- Medulla, Thalamus, and Pons are parts of the Brain. Pinna is the part of the Ear. The Pinna is the only visible part of the ear (the auricle) with its special helical shape. It is the first part of the ear that reacts with sound.
Q.7:- The ________ helps in equalising the pressure on either side of the eardrum.
________, कान के परदे (ईयरड्रम) के दोनों ओर के दबाव को बराबर करने में मदद करता है।
[03 March CGL 2020 Eve. Shift] 1. cochlear nerve / कर्णावत तंत्रिका
2. malleus / कान की हड्डी
3. eustachian tube / कबूकर्णी नलिका
4. incus / स्थूणक
Correct Answer:- eustachian tube / कबूकर्णी नलिका
Comment:- The eustachiabn tube is a connection between the middle ear (the space deep to the eardrum) and the back of the nose and upper throat. Swallowing or yawning opens the eustachian tube and allows air to flow into or out of the middle ear. This helps equalize pressure on either side of the eardrum.
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