An emergent male spathe of a date palm encloses approximately how many individual flowers_______________?
Show answer Hide answer
Answer: D. 10000
Explanation
An emergent male spathe of a date palm protects thousands of tiny flowers packed with pollen. A mature male spathe encloses approximately ten thousand individual flowers required for artificial pollination. Abundant pollen production ensures high fertilization success during commercial date palm orchard pollination. Date palms are dioecious perennial trees requiring separate male and female plants for sexual reproduction. Commercial date production relies entirely on hand pollination using stored pollen from selected male palms. Inflorescences develop inside protective sheaths called spathes before emerging during the spring season.
Date palm growers harvest mature male spathes carefully at the optimal stage to extract viable pollen grains. Agricultural workers perform artificial pollination by dusting female flowers with pollen collected from male spathes. Managing pollination timing and pollen viability is critical for maximizing fruit set and commercial yields. Thirty thousand flowers exceeds the typical biological count found within a single date palm male spathe. Nine thousand flowers represents an underestimation of the high flower density packed inside a male spathe. Twenty thousand flowers is higher than average documented counts for individual date palm male inflorescences.
- Subject
- Agriculture
- Category
- Agriculture
- Topic
- —
- Difficulty
- medium
Related questions
Q1. The primary limiting amino acid found in green vegetables is__________________?
Show answer Hide answer
Answer: A. Methionine
Methionine is widely identified as the primary limiting essential amino acid found in green vegetables. Plant tissues in leafy vegetables possess protein profiles lacking optimal amounts of sulfur-containing amino acids....
Q2. Crossing a heterozygous tall plant with a homozygous dwarf tester parent yields a proportion of dwarf progeny equal to__________________?
Show answer Hide answer
Answer: B. 50%
A test cross between a heterozygote and a dwarf tester yields fifty percent dwarf. Punnett square analysis predicts an equal split of dominant and recessive progeny. Heterozygous tall plants produce equal numbers of tall...
Q3. Livestock production within the agricultural economy is classified as _________________________?
Show answer Hide answer
Answer: A. 50 % of herd
Livestock production forms a foundational sector within the broader agricultural economy and rural landscape. Herd distributions and livestock contributions constitute a major percentage share of total agricultural value...
Q4. What is the approximate ascorbic acid (vitamin C) content (mg/100 g) found in fresh mangoes and carrots__________________?
Show answer Hide answer
Answer: C. 30
Fresh mangoes and carrots contain notable levels of ascorbic acid. Food composition databases report these specific vitamin values around thirty milligrams. This precise nutritional estimate matches well-documented agric...
Q5. Commercial poultry farming as an organized enterprise was initiated in Pakistan during _______________________?
Show answer Hide answer
Answer: B. 1963
Commercial poultry farming in Pakistan became an organized industry around nineteen sixty-three. Government initiatives and private investments accelerated modern poultry sector growth during this period. Historical agri...
Q6. An interspecific hybridization between Avena sativa and Avena byzantina in oats involves_____________________?
Show answer Hide answer
Answer: D. Fully fertile
Interspecific hybridization between Avena sativa and Avena byzantina yields fully fertile progeny. Genetic compatibility between these specific oat species allows normal chromosome pairing during meiosis. Successful game...