Biology - Mock Test 126

Question 1251

Which one of the following structures between two adjacent cells is an effective transport pathway? ?

A) Plasmalemma B) Plasmodesmata C) Plastoquinones D) Endoplasmic reticulum

---

No Details

Question 1252

When a ripe tomato is pricked with a needle a watery fluid comes out. This fluid is stored in ?

A) Vacuole B) Plastid C) Cytoplasm D) Nucleus

---

No Details

Question 1253

What is a genophore?

A) DNA in prokaryotes B) DNA and RNA in prokaryotes C) DNA and protein in prokaryotes D) RNA in prokaryotes

---

No Details

Question 1254

Tonoplast is a differentially permeable membrane surrounding the _____?

A) Vacuole B) Cytoplasm C) Mitochondria D) Nucleus

---

No Details

Question 1255

Tonoplast, also called vacuolar membrane is a differentially permeable membrane surrounds the ______?

A) cytoplasm B) vacuole C) nucleus D) mitochondria

---

No Details

Question 1256

The suffix 'S' in ribosome unit indicates ?

A) Solubility B) Sedimentation coefficient C) Surface Area D) Size

---

No Details

Question 1257

The plasma membrane consists mainly of ?

A) Proteins embedded in a carbohydrate bilayer B) Phospholipids embedded in a protein bilayer C) Proteins embedded in a phospholipid bilayer D) Proteins embedded in a polymer of glucose molecules

---

No Details

Question 1258

The main difference between plant and animal cells is ?

A) Plant cells has small vacuoles B) Animal cell lacks rigid cell wall C) Animal cells has large vacuoles D) Plant cell lacks rigid cell wall

---

No Details

Question 1259

The main arena of various types of activities of a cell is ?

A) Nucleus B) Plasma membrane C) Mitochondria D) Cytoplasm

---

No Details

Question 1260

The cytoplasmic connections from cell to cell are known as ?

A) middle lamella B) plasmodesmata C) cell membrane system D) endoplasmic reticulum

---

No Details