Download PDF – UKSSSC Livestock Extension Officer (LEO) Previous Year Paper 2020 – Solved

UKSSSC Livestock Extension Officer (LEO) Previous Year Paper 2020 – Solved

Q1. Lysosomes are the reservoirs (Store house) of

A) Protein

B) Hydrolytic enzymes

C) Fats

D) Secretory glycoproteins

Q1. लाइसोसोम, के भंडार (स्टोर हाउस) हैं

A) प्रोटीन

B) जलीय किण्वक

C) वसा

D) स्रावी ग्लाइकोप्रोटीन

Answer: (B)

Lysosomes contain hydrolytic enzymes that break down biomolecules.

लाइसोसोम में हाइड्रोलाइटिक एंजाइम होते हैं जो अपशिष्ट पदार्थों को तोड़ते हैं।

Q2. Which of the following plays a major role in soil weathering?

A) Algae

B) Lichens

C) Fungi

D) Pteridophyte

Q2. निम्नलिखित में से मिट्टी के अपक्षय में प्रमुख भूमिका कौन निभाता है?

A) शैवाल

B) काई (लाइकेन)

C) कवक

D) टेरिडोफाइट

Answer: (B)

Lichens secrete organic acids that chemically weather rocks into soil.

लाइकेन कार्बनिक अम्ल स्रावित करते हैं जो चट्टानों को तोड़कर मिट्टी बनाते हैं।

Q3. Industrially used iodine is obtained from

A) Sargassum

B) Laminaria

C) Padina

D) Ulva

Q3. औद्योगिक रूप से उपयोग होने वाला आयोडीन, से प्राप्त होता है

A) सारगैसम

B) लैमीनेरिया

C) पैडाइना

D) अल्वा

Answer: (B)

Laminaria is a brown algae (kelp) which is a rich natural source of iodine.

लैमिनेरिया एक भूरा समुद्री शैवाल है जो आयोडीन का एक समृद्ध प्राकृतिक स्रोत है।

Q4. The book Species Plantarum is written by

A) Gaspard Bauhin

B) John Hutchinson

C) Bentham and Hooker

D) Carolus Linnaeus

Q4. 'स्पीशीज प्लांटरम' द्वारा लिखित पुस्तक है।

A) गैसपार्ड बौहिन

B) जॉन हचिंसन

C) बेंथम और हुकर

D) कैरोलस लिनिअस

Answer: (D)

Carl Linnaeus wrote Species Plantarum in 1753, establishing plant nomenclature.

कैरोलस लिनिअस ने 1753 में 'स्पीशीज प्लांटरम' लिखी थी।

Q5. The world best forage crop Medicago sativa belongs to the family

A) Papilionoideae

B) Caesalpinioideae

C) Mimosoideae

D) Typhaceae

Q5. विश्व की सबसे अच्छी चारा फसल, मेडिकैगो सैटिवा, परिवार से है।

A) पैपिलिओनॉएडी

B) कैसालपिनियोइडी

C) मिमोसोइडी

D) टाइफेसी

Answer: (A)

Medicago sativa (Alfalfa) belongs to the legume subfamily Papilionoideae.

अल्फाल्फा (मेडिकेगो सैटिवा) फलीदार परिवार 'पैपिलिओनॉएडी' से संबंधित है।

Q6. The Aerenchyma cells are found in the special tissue of

A) Hydrophytes

B) Xerophytes

C) Epiphytes

D) Halophytes

Q6. वायूतक कोशिकाएं, के विशेष ऊतक में पाई जाती हैं।

A) जलीय पादप

B) मरुद्भिद

C) अधिपादप

D) लवणोंन्द्भिद

Answer: (A)

Hydrophytes have aerenchyma to provide buoyancy and aeration in water.

जलीय पौधों (Hydrophytes) में तैरने के लिए वायूतक (Aerenchyma) होते हैं।

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