Download PDF – UKSSSC Pashudhan Prasar Adhikari Mock Test 1: Part 2 (Biology / जीव विज्ञान)

UKSSSC Pashudhan Prasar Adhikari Mock Test 1: Part 2 (Biology / जीव विज्ञान)

Q1. Which organelle is known as the suicidal bag of the cell?

A) Ribosome

B) Lysosome

C) Mitochondria

D) Golgi body

Q1. किस अंगक को कोशिका की 'आत्मघाती थैली' कहा जाता है?

A) राइबोसोम

B) लाइसोसोम

C) माइटोकॉन्ड्रिया

D) गॉल्जी काय

Answer: (B)

Lysosomes contain hydrolytic enzymes that digest cellular waste.

लाइसोसोम में जल अपघटनीय एंजाइम होते हैं जो कोशिका को नष्ट कर सकते हैं।

Q2. In which phase of the cell cycle does DNA replication occur?

A) G1 phase

B) S phase

C) G2 phase

D) M phase

Q2. कोशिका चक्र के किस चरण में डीएनए प्रतिकृति (Replication) होती है?

A) G1 चरण

B) S चरण

C) G2 चरण

D) M चरण

Answer: (B)

DNA replication occurs during the Synthesis (S) phase.

डीएनए प्रतिकृति संश्लेषण (S) चरण के दौरान होती है।

Q3. The fluid mosaic model of the cell membrane was proposed by:

A) Watson and Crick

B) Singer and Nicolson

C) Robert Hooke

D) Theodor Schwann

Q3. कोशिका झिल्ली का 'द्रव मोज़ेक मॉडल' (Fluid mosaic model) किसने प्रस्तावित किया था?

A) वाटसन और क्रिक

B) सिंगर और निकोलसन

C) रॉबर्ट हुक

D) थियोडोर श्वान

Answer: (B)

Singer and Nicolson proposed it in 1972.

सिंगर और निकोलसन ने इसे 1972 में प्रस्तावित किया था।

Q4. Which nitrogenous base is not found in RNA?

A) Adenine

B) Guanine

C) Thymine

D) Uracil

Q4. आरएनए (RNA) में कौन सा नाइट्रोजनस क्षार नहीं पाया जाता है?

A) एडेनिन

B) ग्वानिन

C) थाइमिन

D) यूरेसिल

Answer: (C)

RNA contains Uracil instead of Thymine.

RNA में थाइमिन के स्थान पर यूरेसिल होता है।

Q5. Crossing over occurs during which stage of meiosis?

A) Leptotene

B) Zygotene

C) Pachytene

D) Diplotene

Q5. अर्धसूत्री विभाजन (Meiosis) के किस चरण में क्रॉसिंग ओवर होता है?

A) लेप्टोटीन

B) जाइगोटीन

C) पैकिटीन

D) डिप्लोटीन

Answer: (C)

Crossing over takes place in the Pachytene stage of Prophase I.

क्रॉसिंग ओवर प्रोफेज I के पैकिटीन चरण में होता है।

Q6. The site of protein synthesis in a cell is:

A) Nucleus

B) Ribosome

C) Mitochondria

D) Smooth ER

Q6. कोशिका में प्रोटीन संश्लेषण का स्थल है:

A) केंद्रक

B) राइबोसोम

C) माइटोकॉन्ड्रिया

D) चिकनी अंतर्द्रव्यी जालिका

Answer: (B)

Ribosomes are the protein factories of the cell.

राइबोसोम कोशिका के प्रोटीन कारखाने हैं।

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