उत्तरों सहित नर्सिंग प्रवेश परीक्षाओं के लिए जीव विज्ञान वर्कशीट

परासरण (ऑस्मोसिस) चयनात्मक पारगम्य झिल्ली के पार किस पदार्थ का विसरण है?

1. Aपानी
2. Bप्रोटीन
3. Cग्लूकोज़
4. Dसोडियम आयन

What is the aim of gene therapy?

1. ATo treat a disease by adding a working copy of a faulty gene
2. BTo change the patient's blood type
3. CTo remove all the genes from a patient's cells
4. DTo give a patient antibiotics through a vein to kill a virus

ग्लूकोज़ किस प्रकार के अणु का उदाहरण है?

1. Aप्रोटीन
2. Bमोनोसैकेराइड
3. Cपॉलीसैकेराइड
4. Dलिपिड

What is the function of the pores in the nuclear envelope?

1. AThey attach the nucleus to the cell membrane
2. BThey let molecules such as mRNA pass in and out
3. CThey let chromosomes leave the nucleus to be copied
4. DThey make ribosomal RNA for the cell

Why do plants wilt when the soil around their roots becomes very salty?

1. AWater leaves the root cells by osmosis
2. BThe roots take in too much water
3. CSalt makes the root cells swell and burst
4. DSalt blocks sunlight from reaching the leaves

कठिन व्यायाम के दौरान पेशी कोशिकाओं में ऑक्सीजन की कमी हो जाती है। तब वे ग्लूकोज़ से इसके बजाय क्या बनाती हैं?

1. Aलैक्टिक अम्ल (लैक्टेट) और थोड़ा-सा ATP
2. Bअल्कोहल और कार्बन डाइऑक्साइड
3. Cग्लाइकोजन और पानी
4. Dबड़ी मात्रा में ATP और ऑक्सीजन

A dihybrid cross gives offspring in a ratio of about 9 : 3 : 3 : 1. What does this suggest?

1. ABoth parents are heterozygous for two genes that assort independently
2. BOne parent is AaBb and the other is homozygous aabb
3. CBoth parents are homozygous dominant for both genes
4. DThe two genes are tightly linked on the same chromosome

A bag made of membrane that lets only water through contains a 10% sugar solution. It is placed in a beaker of 5% sugar solution. What happens?

1. ASugar moves out of the bag until both are 7.5%
2. BWater moves into the bag, and the bag gains mass
3. CNothing changes, because sugar cannot cross
4. DWater moves out of the bag, and the bag loses mass