Eukaryotic Cell

Q. There are certain specialised junctions in animal tissues that provide structural and functional link between the cells. Which type of cell junctions are present between the cells lining the small intestine, that prevent the leakage of water and solutes through the intercellular space?

प्राणी ऊतकों में कुछ विशेष जोड़ होते हैं जो कोशिकाओं के बीच संरचनात्मक और कार्यात्मक संधि प्रदान करते हैं। छोटी आँत को आस्तरित करने वाली कोशिकाओं के बीच कौनसे प्रकार की कोशिका संधियाँ उपस्थित होती हैं, जो अंतरकोशिकीय अवकाश द्वारा जल और विलेयों के रिसाव को रोकती हैं?

1. Gap junctions
   
   अंतराली संधियाँ
2. Tight junctions
   
   दृढ़ संधियाँ
3. Adhering junctions
   
   आंसजी संधियाँ
4. Desmosomes
   
   डेस्मोसोम

Q. Which is correct option amongst the following statements?
(a) Nuclear membrane, chloroplast, mitochondria, microtubules and pili are absent in prokaryotic cells.
(b) Nuclear membrane, chloroplast, mitochondria, microtubules and pili are present in eukaryotic cells
(c) Ribosomes are 70S in prokaryotic cells and mitochondria. They are 80 S in animal cells.

1. a is correct, b and c are wrong
2. a and b are wrong, c is correct
3. a and c are correct, b is wrong
4. a and b are correct, c is wrong
5. a, b and c are wrong

Q.

The largest subunit of prokaryotic ribosomes is

1. 40S

2. 30S

3. 50S

4. 60S

Q.

what is the no.of chromosomes present in a single human cell ?

Q. Select the feature which is not true for the structure that acts as site of active ribosomal RNA synthesis in eukaryotes.

उस गुण का चयन कीजिए जो यूकैरियोट्स में सक्रिय राइबोसोमल आरएन (RNA) संश्लेषण के स्थल की तरह कार्य करने वाली संरचना के लिए सही नहीं है।

1. Found in nucleoplasm
   
   न्यूक्लियोप्लाज्म में पाया जाता है
2. Larger in size in cells that are actively carrying out protein synthesis
   
   कोशिकाओं में बड़े आकार का होता है जो सक्रिय रूप से प्रोटीन संश्लेषण करता है
3. A single membrane bound structure
   
   एकल झिल्लीबद्ध संरचना है
4. Spherical structure
   
   गोलीय संरचना है

Q. Which of the following cell organelles is not associated with the synthesis of comparatively complex molecules from simpler molecules?

निम्नलिखित में से कौनसा कोशिकांग तुलनात्मक रूप से सरल अणुओं द्वारा जटिल अणुओं के संश्लेषण से संबंधित नहीं है?

1. Chloroplast
   
   क्लोरोप्लास्ट
2. Lysosome
   
   लाइसोसोम
3. Golgi complex
   
   गॉल्जी संकुल
4. Endoplasmic reticulum
   
   अंतर्द्रव्यी जालिका

Q. Burst the bubbles containing eukaryotes.

1. Protista
2. Cnidaria
3. Monera
4. S. typhi
5. Crustaceans
6. Protozoa
7. Amoeba
8. E.coli

Q.
Refer to the diagram above. Which is not shown?

1. a bacteriophage
2. a bacterium
3. a eukaryote
4. a virus

Q. It contains all the protozoa and most of the algae

1. Monera
2. Animalia
3. Protista
4. Fungi
5. Plantae

Q. Gas vacuoles are found in blue green and purple and green photosynthetic bacteria what is meant by this?

Q. Distinguish between plant and animal cell in tabular form.

Q.

The last of terminal cytochrome in respiratory chain is

1. Cyt a3

2. Cyt c

3. Cyt b

4. Cyt a1

Q.

What is the other name for cytokinin? List 4 characteristics of meristematic cells.

Q. Which among the following is found in plant cells but absent in animal cells?

1. Mitochondria
2. Plastids
3. Ribosomes
4. ER

Q.

what is cytoplasmic growth

Q. Difference between prokaryote and eukaryote is in

1. cell size
2. cell shape
3. chemical composition of protoplasm
4. organization of nuclear material

Q.

All the following are organelles of the cell except:

1. Golgi

2. Plastids

3. ER

4. resins

Q.

Meristematic cells are

1. thin walled, isodiametric, large nucleate and less protoplasmic

2. thin walled, isodiametric, large nucleate and dense protoplasmic

3. thick walled, columnar, large nucleate and dense protoplasmic

4. thick walled, isodiametric, non-nucleate and dense protoplasmic