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TLS Online TPP Program

#Question id: 5560

In a newly fertilized egg, the vitelline layer ________.

#SCPH28 | Zoology

  1. lifts away from the egg and hardens to form a fertilization envelope

  2. secretes hormones that enhance steroidogenesis by the ovary

  3. reduces the loss of water from the egg and prevents desiccation

  4. provides most of the nutrients used by the zygote

More Questions
TLS Online TPP Program

#Question id: 20538

#SCPH06 I Botany

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them is considered as carcinogenic?
TLS Online TPP Program

#Question id: 20538

#SCPH28 | Zoology

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them is considered as carcinogenic?
TLS Online TPP Program

#Question id: 20539

#SCPH01 Biochemistry

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them are not considered as carcinogenic?
1. Benzene
2. Toluene
3. Ethylbenzene
4. Xylene
Which of them is a correct option?
TLS Online TPP Program

#Question id: 20539

#SCPH06 I Botany

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them are not considered as carcinogenic?
1. Benzene
2. Toluene
3. Ethylbenzene
4. Xylene
Which of them is a correct option?
TLS Online TPP Program

#Question id: 20539

#SCPH28 | Zoology

Aromatic hydrocarbons including benzene, toluene, ethylbenzene and xylene collectively referred as BTEX compounds. Which of them are not considered as carcinogenic?
1. Benzene
2. Toluene
3. Ethylbenzene
4. Xylene
Which of them is a correct option?
TLS Online TPP Program

#Question id: 20540

#SCPH01 Biochemistry

Toluene, ethylbenzene and xylene must be kept to ________levels in drinking and recreational waters due to their toxicity