List I (Factor)	List II (Effect/Detail)
A. Seasonal Effects	1. Ovule callus induction in Gerbera is higher in autumn
B. Stage of Collection	2. Flower buds excised 24–48 hours before anthesis
C. Physical Factors	3. Cold treatment increases haploid callus frequency in Salvia sclarea

#Question id: 11276

#Environmental Science

Following statement regarding efficiency at different tropic level for secondary production?

A-high production efficiency individual able to survive at little food

B-production efficiency decrease toward increase tropic level 

C-aquatic herbivore is more efficient grazer than terrestrial grazer

D- Carnivore assimilation efficiency appear to average around 10%

Which above combination are correct?

#Question id: 11537

#Biochemistry

Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example of ________.

 I) an autocrine signal

 II) a paracrine signal

 III) an endocrine signal

#Question id: 11537

#Zoology

Testosterone is an example of a chemical signal that affects the very cells that synthesize it, the neighboring cells in the testis, along with distant cells outside the gonads. Thus, testosterone is an example of ________.

 I) an autocrine signal

 II) a paracrine signal

 III) an endocrine signal

#Question id: 11538

#Biochemistry

Prostaglandins are local regulators whose chemical structure is derived from ________.

#Question id: 11538

#Zoology

Prostaglandins are local regulators whose chemical structure is derived from ________.

#Question id: 11539

#Biochemistry

Aspirin and ibuprofen both ________.